Agilent Technologies Agilent 86120C Bedienungsanleitung

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Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    s A Ag ile nt 8 6120C M ulti- W avele ngth Me ter User’ s Guide[...]

  • Seite 2

    ii Noti ces Thi s docum ent con ta ins p ropri- e tary infor mat io n that is p ro - tected by copyrigh t. All rights are reserved. No p art of thi s d ocum ent m ay rep roduced i n (incl u di ng elec- tro nic sto ra ge and re trie val or tr ansl ati on in to a f o rei gn la n- guage ) withou t prior agr eement and wri tten c onse nt fr om Agi lent[...]

  • Seite 3

    iii The Ag il ent 86120C —At a Glanc e The Agi lent 86120 C—A t a G lance The A gil ent 8612 0C M ul ti- W av e len gth Meter m ea sure s th e wa vele ngt h and optic al pow er of lase r light in th e 1 27 0–16 50 wave lengt h ra nge . Be cau s e t h e A g il ent 86 12 0C si mul t a neo us ly m eas ur es m ul tip le l as e r lines, y o u can [...]

  • Seite 4

    iv The A gil ent 86120C — At a Glanc e I n a d d i t i o n t o t h e s e m e a s u r e m e n t s , a “ p o w e r b a r ” i s d i s p l a y e d t h a t sho ws p o wer change s lik e a tradit ional analog mete r . Y ou can see the p o w e r b a r s h o w n i n t h e f o l l o w i n g f i g u r e o f t h e A g i l e n t 8 6 1 2 0 C ’ s d i s -[...]

  • Seite 5

    v The A gil ent 86120C — At a Glanc e Me asu rem ent acc ura cy — it ’ s up to y ou! Fib er-opti c connect ors ar e easily da m age d w hen c o n necte d t o di rty o r damaged cabl es and a cces s or ies. Th e Agil ent 8612 0 C ’ s f ron t-panel INPUT con necto r is no ex cep tio n. Whe n you use i mpro per cl eanin g and handl ing te chni[...]

  • Seite 6

    vi Gen eral Saf ety C on s ider at ions General Safety Considerations T h i s p r o d u c t h a s b e e n d e s i g n e d a n d t e s t e d i n a c c o r d a n c e w i t h I E C 6 1 0 1 0 -1 , a n d h a s b e e n s u p p l i e d i n a s a f e c o n d i t i o n . T h e i n s t r u c t i o n docum entation contains inf ormati on and warnings which mu[...]

  • Seite 7

    vii Gene ra l Safety Consi deratio ns WA R N I N G If this instru ment is not used as s pecified, the protec tion provided by the equi pment coul d be impaired. This ins trument must be used in a normal condition (in which all mea ns for pr otection a re intact) only. WA R N I N G No opera tor service able p arts inside . Refer servicing to qualifi[...]

  • Seite 8

    viii Gen eral Saf ety C on s ider at ions CAUT ION This pr o d uct com plie s w ith O verv olt age Ca tego ry I I and Pol lution D egree 2 . CAUT ION VEN T ILA TI ON RE QUI REM E NTS : Wh en in sta lling the pr oduc t i n a ca b inet , th e con v ec tio n in to a n d o ut of the p ro duc t mu st n ot b e re st ri ct ed. Th e a mb ie nt tem pe r at [...]

  • Seite 9

    Contents Content s-1 The Agile nt 86120 C— At a Gl ance iii Genera l Safety Cons ide ration s vi 1G e t t i n g S t a r t e d Step 1. In sp ec t th e Sh i pmen t 4 S tep 2. Conn e ct the Line-Powe r Cabl e 5 S tep 3. Conn ect a Print er 6 S tep 4. T urn on the Agil ent 86120C 7 Step 5 . Ent er Y ou r Elev ati on 8 S tep 6. Sel e ct Medi um for W [...]

  • Seite 10

    Conte n ts- 2 Contents 4 P r ogramming Commands Co mmon Com ma nds 3 Measure m ent Ins truct ions 15 CALCul ate1 Subs ystem 25 CALCul ate2 Subs ystem 31 CALCul ate3 Subs ystem 44 CO N F ig u re M ea su r em en t In str u c ti o n 7 4 DISPla y S ubs ystem 75 FET C h Mea su r em en t Ins tru c ti o n 79 HCOPy Subs ys te m 80 MEA Su re Me asu rem en t[...]

  • Seite 11

    Content s-3 Contents Menu Maps 4 Error Messa ge s 1 1 Front-Panel Fib er-Opt ic Adapters 17 Power C ords 18 Agile nt T ech nologies Serv ice Of fices 18[...]

  • Seite 12

    [...]

  • Seite 13

    1 St ep 1. Ins p ect t he S hip m ent 1 - 4 S t e p 2 . C o n n e c t t h e L i n e -P o w e r C a b l e 1 -5 S t e p 3 . C o n n e c t a P r i n t e r 1 - 6 S t e p 4 . T u r n o n t h e A g i l e n t 8 6 1 2 0 C 1 -7 S t e p 5 . E n t e r Y o u r E l e v a t i o n 1 -8 S t e p 6 . S e l e c t M e d i u m f o r W a v e l e n g t h V a l u e s 1 -9[...]

  • Seite 14

    1-2 Getting Started Getti ng Starte d Ge tti ng Star te d T h e i n s t r u c t i o n s i n t h i s c h a p t e r s h o w y o u h o w t o i n s t a l l y o u r A g i l e n t 8 6 1 2 0 C . Y o u s h o u l d b e a b l e t o f i n i s h t h e s e p r o c e d u r e s i n a b o u t t e n t o t w e n t y m i n u t e s . A f t e r y o u ’ v e c o m p l [...]

  • Seite 15

    1- 3 Getting Started Ge tting Starte d Me asu rem ent acc ura cy — it ’ s up to y ou! Fib er-opti c connect ors ar e easily da m age d w hen c o n necte d t o di rty o r damaged cabl es and a cces s or ies. Th e Agil ent 8612 0 C ’ s f ron t-panel INPUT con necto r is no ex cep tio n. Whe n you use i mpro per cl eanin g and handl ing te chniq[...]

  • Seite 16

    1-4 Getting Started St ep 1. I nsp ec t t he Sh i pme n t Step 1. Inspect the Shipment 1 Ve rif y that all system comp one nts o rd ered hav e arri ved by comp aring the shipping forms to t he original purchase order. I nspect all shipping conta iners. If your s hi pment is damaged or incompl et e, save the pa cking mat erial s and notif y both the[...]

  • Seite 17

    1- 5 Getting Started Step 2. Con nect the L ine-Powe r Cable Step 2. Connect the Line- P o wer Cable WA R N I N G This i s a Safety Class I P roduct (provided wit h protect ive ear th). The mains p lug shall only be inserte d in a socket outlet provided with a protective earth contact. Any interruption of the protective conductor inside or outside [...]

  • Seite 18

    1-6 Getting Started Ste p 3. Co nnec t a Printer 3 C o n n e c t t h e o t h e r e n d o f t h e l i n e -p o w e r c o r d t o t h e p o w e r r e c e p t a c l e . V a r i o u s p o w e r c a b l e s a r e a v a i l a b l e t o c o n n e c t t h e A g i l e n t 8 6 1 2 0 C t o a c p o w e r o u t l e t s u n i q u e t o s p e c i f i c g e o g r [...]

  • Seite 19

    1- 7 Getting Started Step 4. T urn on the Agi lent 8612 0C Step 4. Turn on the Agilent 86120C 1 Pr ess the fron t- panel LI NE k e y . A f t e r a p p r o x i m a t e l y 2 0 s e c o n d s , t h e displa y sh ould lo ok simi lar to t he f igu re b elo w. The front- panel LINE switch disco nnects the mains circui ts from the m a i n s s u p p l y a [...]

  • Seite 20

    1-8 Getting Started Ste p 5. Ent er Your El evat ion S t e p 5 . E n t e r Y o u r E l e v a t i o n I n o r d e r f o r y o u r A g i l e n t 8 6 1 2 0 C t o a c c u r a t e l y m e a s u r e w a v e l e n g t h s a n d m e e t i t s p u b l i s h e d s p e c i f i c a t i o n s , y o u m u s t e n t e r t h e e l e v a t i o n wh ere you w ill be[...]

  • Seite 21

    1- 9 Getting Started Step 6. Sel ect Mediu m for W avele ngth V alu es S t e p 6 . S e l e c t M e d i u m f o r W a v e l e n g t h V a l u e s B e c a u s e w a v e l e n g t h v a r i e s w i t h t h e m a t e r i a l t h a t t h e l i g h t p a s s e s t h r o u g h , t h e A g i l e n t 8 6 1 2 0 C o f f e r s w a v e l e n g t h m e a s u r e[...]

  • Seite 22

    1-10 Getting Started Ste p 7. Turn Off Wave leng th Limi ting S t e p 7 . T u r n O f f W a v e l e n g t h L i m i t i n g The instru ment’s P res et k e y s e t s t h e e n t i r e A g i l e n t 8 6 1 2 0 C w a v e l e n g t h ran ge of 12 70– 1650 nm. If a us er - de f ined wa v ele ngth rang e lim it was set using WL L IM , th e following p[...]

  • Seite 23

    1-11 Getting Started Returning the Instrument for Service Return ing the Inst rument for Servi ce T h e i n s t r u c t i o n s i n t h i s s e c t i o n s h o w y o u h o w t o p r o p e r l y r e t u r n t h e i n s t r u m e n t f o r r e p a i r o r c a l i b r a t i o n . A l w a y s c a l l t h e A g i l e n t T e c h n o l o - gie s Instrume[...]

  • Seite 24

    1-12 Getting Started Returning the Instrumen t for Serv ice Prepa ring the inst rument for shipping 1 Write a compl ete d escr iptio n of the failu re and attach it to the ins tr um en t. I n cl ud e a ny s pe ci fi c p er f orm anc e d et ai ls r ela te d t o t he p r o b l e m . T h e f o l l o w i n g i n f o r m a t i o n s h o u l d b e r e t [...]

  • Seite 25

    1-13 Getting Started Returning the Instrument for Service 3 P a c k t h e i n s t r u m e n t i n t h e o r i g i n a l s h i p p i n g c o n t a i n e r s . O r i g i n a l materia ls are av ailabl e throu gh any Agile nt T echnolo gies office. Or , use the follo w ing gu ide lines : • W r a p t h e i n s t r u m e n t i n a n t i s t a t i c p [...]

  • Seite 26

    1-14 Getting Started Returning the Instrumen t for Serv ice[...]

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    1-15 Getting Started Returning the Instrument for Service[...]

  • Seite 28

    [...]

  • Seite 29

    2 Mea suri ng W a ve length and P o wer 2- 3 Peak WL mode 2-4 List b y WL o r Powe r mod es 2-6 T otal power an d a v erage wavel e n gth 2-7 Li mit in g the wa vele ngth meas u rement range 2-8 Me as u ri ng br oa db a nd d e vic es a n d c hi rp ed l as ers 2 -9 Gr ap hica l dis pla y of o pti cal p ow er spe ctrum 2-10 Instru men t stat es 2-11 [...]

  • Seite 30

    2-2 Maki ng M easure ments Ma ki ng Me a su re men ts Mak ing Measure ment s In this chapter , y ou’l l learn how to mak e a vari et y of fast, accurate m e a s u r e m e n t s . A s y o u p e r f o r m t h e s e m e a s u r e m e n t s , k e e p i n m i n d t h e fol low in g p o i n t s: • 1 270–1 650 max im um inp ut w av elen gt h rang e [...]

  • Seite 31

    2- 3 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power M e a s u r i n g W a v e l e n g t h a n d P o w e r T h i s s e c t i o n g i v e s y o u s t e p - b y -s t e p i n s t r u c t i o n s f o r m e a s u r i n g p e a k wa vele ngt h, av era g e wa vel ength, pea k pow er , and total input po we r . There are t hree displ ay modes: ?[...]

  • Seite 32

    2-4 Maki ng M easure ments Meas urin g Wa vel ength and Po wer Pe ak WL mode When Peak WL is presse d , the dis p la y sho ws the large st ampli tude line i n t h e s p e c t r u m . T h e w o r d PEAK i s s h o w n o n t h e s c r e e n . I f m u l t i p l e las er lines are p res e nt at the inp u t , the number of li nes l ocated w i ll be sho w[...]

  • Seite 33

    2- 5 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power 3 T o m o v e t h e c u r s o r t o v i e w o t h e r s i g n a l s , p r e s s : • PREV W L t o s e l e c t n e x t ( p r e v i o u s ) s h o r t e r w a v e l e n g t h . • NEXT W L to select next longer wav eleng t h. • PEAK t o s i g n a l w i t h g r e a t e s t p o w e r . ?[...]

  • Seite 34

    2-6 Maki ng M easure ments Meas urin g Wa vel ength and Po wer L i s t b y W L o r P o w e r m o d e s I n the list- b y- wa vele ngth or list- by- po w er mode s, the mea surem ents of f i v e l a s e r l i n e s c a n b e d i s p l a y e d a t a n y o n e t i m e . U s e t h e a n d s o f t k e y s t o m o v e t h e c u r s o r t h r o u g h t h [...]

  • Seite 35

    2- 7 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power Tota l power and average w aveleng th I n t h e t h i r d a v a i l a b l e d i s p l a y m o d e , t h e A g i l e n t 8 6 1 2 0 C d i s p l a y s t h e a v e r a g e w a v e l e n g t h a s s h o w n i n t h e f o l l o w i n g f i g u r e . T h e d i s p l a y e d po wer lev el is th[...]

  • Seite 36

    2-8 Maki ng M easure ments Meas urin g Wa vel ength and Po wer T h e f o l l o w i n g e q u a t i o n s h o w s h o w i n d i v i d u a l p o w e r s o f l a s e r l i n e s a r e su m me d to ge the r to ob tai n the tota l p o w er va lu e: wh ere, n is t he n u mb er o f l as er lin es inc lu d ed i n th e m eas ur em en t. P i is t he p eak p [...]

  • Seite 37

    2- 9 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power Measuring broadband devices a nd chirped lasers W h e n f i r s t t u r n e d o n ( o r t h e g r e e n P r e s e t k e y i s p r e s s e d ) , t h e A g i l e n t 8 6 1 2 0 C i s c o n f i g u r e d t o m e a s u r e n a r r o w b a n d d e v i c e s s u c h a s D F B l a s e r s a n d[...]

  • Seite 38

    2-10 Maki ng M easure ments Meas urin g Wa vel ength and Po wer Graphical d isplay of optical pow er spectrum A g ra phical displ ay of opt ical p o wer ve rsus wa ve l eng th is sho wn fr om the start wav ele ngth val ue to the stop wa veleng th value. The st ar t w a v e l e n g t h v a l u e i s s h o w n i n t h e u p p e r -l e f t c o r n e r[...]

  • Seite 39

    2-11 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power Inst ru me nt s tat es F o u r d i f f e r e n t i n s t r u m e n t s t a t e s c a n b e s a v e d a n d r e c a l l e d a t a l a t e r ti me. The actual instrument condition s th a t are sav ed are iden tical to t h o s e s a v e d f r o m t h e p r e v i o u s s t a t e a f t e r p[...]

  • Seite 40

    2-12 Maki ng M easure ments Changi ng the Units and Measure ment Rate C h a n g i n g t h e U n i t s a n d M e a s u r e m e n t R a t e T h i s s e c t i o n i n c l u d e s s t e p -b y - s t e p i n s t r u c t i o n s f o r c h a n g i n g t h e u n i t s and mea sur ement ra te. Thi s se ctio n incl ud es: Di spla ye d units 2- 12 Me asu r em[...]

  • Seite 41

    2-13 Maki ng Meas uremen ts Changing t he Uni ts and Measur ement Rate 4 Press WL a n d s e l e c t o n e o f t h e f o l l o w i n g u n i t s . T h e n , p r e s s RET URN to com plet e y our selec tion : • NM f o r n a n o m e t e r s • THZ f o r T e r a H e r t z • CM – 1 f o r w a v e n u m b e r 5 Press POWER a n d s e l e c t o n e o[...]

  • Seite 42

    2-14 Maki ng M easure ments Changi ng the Units and Measure ment Rate T o change t he measureme nt speed 1 Press the Se tu p k e y . 2 Press the MOR E s o f t k e y . 3 Press the UPDATE so ftke y . 4 Sel ect either NO R MA L o r FA S T . C o n t i n u o u s o r s i n g l e m e a s u r e m e n t s The A gilen t 86120C continu ousl y measu res the i [...]

  • Seite 43

    2-15 Maki ng Meas uremen ts Defini ng Laser- L i ne Peak s Def i ning La se r- L i ne Pea ks The Agilen t 8 612 0C uses tw o ru les to iden tify val id laser - line peaks. U nderstanding these r ules is essential to getti ng t he m ost from yo u r me a sur em en ts . For ex amp le , t h ese r u le s al l ow yo u t o “ hid e” A M m od - ul ation[...]

  • Seite 44

    2-16 Maki ng M easure ments Def ining Las er -Lin e Peak s Pea k excursi on The peak ex cur sio n define s the rise and fall in ampli tude t hat must t a k e p l a c e i n o r d e r f o r a l a s e r l i n e t o b e r e c o g n i z e d . T h e r i s e a n d f a l l c a n b e o u t o f t h e n o i s e , o r i n t h e c a s e o f t w o c l o s e l y [...]

  • Seite 45

    2-17 Maki ng Meas uremen ts Defini ng Laser- L i ne Peak s 3 Press PX EXC , and ent er the peak excursi on value . Use the s oftk ey to sel ect the d i git t h at requi res edi ting . Use t he and softke ys to c h a n g e t h e v a l u e . T h e p e a k e x c u r s i o n v a l u e c a n r a n g e f r o m 1 t o 3 0 d B . T h e d e f a u l t v a l u [...]

  • Seite 46

    2-18 Maki ng M easure ments Measuring L aser Se p aration Mea surin g Las er S epar ation I t i s o f t e n i m p o r t a n t t o m e a s u r e t h e w a v e l e n g t h a n d p o w e r s e p a r a t i o n betw een multiple laser lines. This is e s pecially true in wav el ength- d ivi- si on- multi ple xed (WDM) systems where channel spacing must b[...]

  • Seite 47

    2-19 Maki ng Meas uremen ts Meas ur ing La se r S epar ati on Cha nnel separ ation S u p p o s e t h a t y o u w a n t t o m e a s u r e s e p a r a t i o n o n a s y s t e m h a v i n g t h e s p e c t r u m s h o w n i n t h e f o l l o w i n g f i g u r e . The A gilent 8 6120C displ ays separa tion on this spec tr um as sh o wn i n t h e f o l [...]

  • Seite 48

    2-20 Maki ng M easure ments Measuring L aser Se p aration T o m e a s u r e c h a n n e l s e p a r a t i o n 1 Pr ess the fron t- panel Preset k e y . 2 Press List by WL . 3 Pr ess the Delta On key . Us e the Off k e y t o t u r n o f f t h e m e a s u r e m e n t . 4 S e l e c t t h e t y p e o f s e p a r a t i o n t o o b s e r v e : • ∆ WL[...]

  • Seite 49

    2-21 Maki ng Meas uremen ts Meas ur ing La se r S epar ati on Measur ing fl atnes s Y ou can use rela tive p o w er measu remen ts to mea sure f l atne ss (pre- em phasis) in a WDM s ystem. Sim p l y selec t one ca r rie r as the ref ere nce and me as u re t he rem ai ni ng c ar ri ers r e la tive t o t he r e feren c e l evel. T he p o w e r d i f[...]

  • Seite 50

    2-22 Maki ng M easure ments Mea su ri ng Las e r Dr ift Mea sur ing Lase r Drift I n t h i s s e c t i o n , y o u ’ l l l e a r n h o w t h e A g i l e n t 8 6 1 2 0 C c a n b e u s e d t o moni t or drift (cha nges to a laser’s wa vel ength and ampli tude ove r t i m e ) . D r i f t i s m e a s u r e d s i m u l t a n e o u s l y f o r e v e [...]

  • Seite 51

    2-23 Maki ng Meas uremen ts Me as urin g Laser Dri ft Y o u c a n r e s t a r t t h e d r i f t m e a s u r e m e n t a t a n y t i m e b y p r e s s i n g t h e RESE T sof tk e y. Al l min i mum an d ma xi mum val ue s a re re se t to the ref - e r e n c e v a l u e s , a n d t h e A g i l e n t 8 6 1 2 0 C b e g i n s t o m o n i t o r d r i f t [...]

  • Seite 52

    2-24 Maki ng M easure ments Mea su ri ng Las e r Dr ift maximum wave le ngth an d maxim um power may not have occurre d si mu ltaneously . Display shows abs olut e minimum values s ince the d rift measurem ent wa s sta rted. T his m easurem ent gi ves th e sh ort e st wavele ngth a nd smal lest power measured. T he la s e r line of intere st m ay h[...]

  • Seite 53

    2-25 Maki ng Meas uremen ts Mea suring Sign al-to-Nois e Ratios Measuring Signal- to- Noise Ratios Sign al- to- noise measu rem ents pro vid e a direct indic ation of system p e r f o r m a n c e . S i g n a l - t o - n o i s e m e a s u r e m e n t s a r e e s p e c i a l l y i m p o r t a n t i n WDM systems beca u s e there is a direct relat ion[...]

  • Seite 54

    2-26 Maki ng M easure ments Measurin g Signal-t o-Noise Ratios Locat i on of nois e m easur ements Automatic in ter po lat io n W h e n t h e s i g n a l -t o - n o i s e “ a u t o ” f u n c t i o n i s s e l e c t e d , t h e A g i l e n t 8 6 1 2 0 C f i r s t d e t e r m i n e s t h e p r o x i m i t y o f a n y a d j a c e n t s i g n a l .[...]

  • Seite 55

    2-27 Maki ng Meas uremen ts Mea suring Sign al-to-Nois e Ratios Autom ati c inte rpol ation User- ente red wav el ength W h e n t h e s i g n a l -t o - n o i s e “ u s e r ” f u n c t i o n i s s e l e c t e d , t h e Agil ent 8612 0C use s onl y one wav el ength t o measur e the noise po w er f or all signals. This wa velen gth is set by t he[...]

  • Seite 56

    2-28 Maki ng M easure ments Measurin g Signal-t o-Noise Ratios T o m e a s u r e s i g n a l - t o - n o i s e 1 Pr ess the fron t- panel Preset k e y . 2 Press L ist b y WL or List by Powe r . 3 Press Appl ’ s a n d t h e n S/N . 4 T o s e l e c t t h e w a v e l e n g t h r e f e r e n c e f o r m e a s u r i n g t h e n o i s e , d o t h e fol[...]

  • Seite 57

    2-29 Maki ng Meas uremen ts Measur ing Signal- to-Nois e Ratios wit h Ave ra gi ng Measuring Signal- to- Noise Ratios wit h Av er ag ing When t he lase rs being measur ed are m o dulated , especi al ly with re peti - t i v e d a t a f o r m a t s s u c h a s S O N E T o r P R B S , t h e n o i s e f l o o r i s r a i s e d . A vera ging reduces the[...]

  • Seite 58

    2-30 Maki ng M easure ments Mea su r ing Si gn al -to -N oi s e Ra tio s w it h Av era g ing a v e r a g e s t a k e n s o f a r . T h e m a x i m u m n u m b e r o f a v e r a g e s i s 9 0 0 , t h e mini mu m number of av erag es is 10, and the defa ult ( Pre set) value is 100 av erages . A measure m ent with 100 av erages takes abo ut 2 minutes [...]

  • Seite 59

    2-31 Maki ng Meas uremen ts Measuring Fabry-Pe rot (FP) Las ers Meas uring Fabry- Perot (FP) Lasers Th e A g il en t 8612 0C ca n p er for m seve ra l m ea s ure me n ts on F ab r y - Pero t l a s e r s i n c l u d i n g F W H M a n d m o d e s p a c i n g . T h e d i s p l a y s h o w s t h e m e a - surem e n t res u lts in th e sele cted wav ele[...]

  • Seite 60

    2-32 Maki ng M easure ments Measuring Fabry-Perot (FP) Lasers Mea su rem ent Descript ion FWHM FWHM (full widt h at ha lf maxim um ) descr ibe s the spec tra l width of the ha lf-p ower points of the laser , assumi ng a contin uous, Gaussia n p ower dist ribut ion . The ha lf-p ower poin ts are t hos e whe re th e power spe ctral dens ity is on e-h[...]

  • Seite 61

    2-33 Maki ng Meas uremen ts Measuring Fabry-Pe rot (FP) Las ers PWR T he s um ma tio n of the po we r in ea ch o f t he sel e cted pe ak s, or modes, that satisfy the pe ak-exc ursion and peak-th reshold cri teria . The peak ex cursio n a nd peak thresho ld setting s defin e the laser modes in cl uded in t he m eas ureme nt. Beca use the def ault p[...]

  • Seite 62

    2-34 Maki ng M easure ments Mea su ri ng Mo d ula te d La ser s Mea surin g Modulated Las ers A l a s e r t h a t i s a m p l i t u d e m o d u l a t e d a t l o w f r e q u e n c i e s ( f o r e x a m p l e , m o d u l a t e d i n t h e a u d i o f r e q u e n c y r a n g e ) c a n c a u s e s p u r i o u s w a v e - lengt hs to be di splayed bel [...]

  • Seite 63

    2-35 Maki ng Meas uremen ts Me as uring Modul ate d L a se rs The g ra phica l display i s usefu l f or locat ing the se spu riou s wavelengt hs. T h e i r a m p l i t u d e w i l l b e b e l o w t h a t o f t h e c o r r e c t w a v e l e n g t h a n d t h e y w i l l b e b r o a d , r o u n d e d p e a k s c o m p a r e d t o t h e s h a r p p e [...]

  • Seite 64

    2-36 Maki ng M easure ments Mea suring Tota l Power Gr eater tha n 10 dBm Meas uring Total Power Greate r than 10 dBm The m ax imum t ot al power tha t ca n be mea sur ed by the A gile nt 86 12 0C i s 1 0 d B m . H o w e v e r , w i t h t h e a d d i t i o n o f a n e x t e r n a l a t t e n u a t o r , m o r e p o w e r c a n b e a p p l i e d . T[...]

  • Seite 65

    2-37 Maki ng Meas uremen ts Cali b rat ing Meas ureme nts Cali brating Measurements The wav el e ngth of ligh t change s depending on th e m a terial that the l i g h t i s p a s s i n g t h r o u g h . T o d i s p l a y m e a n i n g f u l w a v e l e n g t h m e a s u r e - ment s, the Agil ent 8612 0C perf orms tw o ste ps: 1 Me as u res th e w [...]

  • Seite 66

    2-38 Maki ng M easure ments Calib rating Me a sur emen ts T o e n t e r t h e e l e v a t i o n 1 Press the Se tu p k e y . 2 Press the MORE s o f t k e y . 3 Press the CAL s o f t k e y . 4 Pre ss EL EV . 5 Us e the and softk ey s to enter the elevat io n in m et ers. Entr ies ju mp in 50 0 m ete r s te ps f rom 0 m to 50 00 m. I n o r d e r f o r[...]

  • Seite 67

    2-39 Maki ng Meas uremen ts Pri nting Me asuremen t Resu lts P r i n t i n g M e a s u r e m e n t R e s u l t s Me as u rem en t r esu l ts c an b e sen t dir ec tly t o a p ri nt er . S imply c onn ec t a compat ible printer to t he rear - panel P ARALL EL PR INTE R POR T c o n - n e c t o r . T h e o u t p u t i s A S C I I t e x t . A n e x a m[...]

  • Seite 68

    2-40 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s Cle an ing Connect ions for Accurat e Measurements T oday , advance s in measu rement capabil ities make connectors and conne ction techniqu es more impo rt ant than ev er . Dama ge to the con- n e c t o r s o n c a l i b r a t i o n a n d v e r i f i c a t i o n d e[...]

  • Seite 69

    2-41 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s • I s an instrume nt- grade connector with a precis io n core al ignment re- quired? • I s r e p e a t a b i l i t y t o l e r a n c e f o r r e f l e c t i o n a n d l o s s i m p o r t a n t ? D o y o u r spec ificati ons take repeat abil ity uncert ainty into a[...]

  • Seite 70

    2-42 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s Figure 2- 4. Universal adapter s to Diamo nd HM S-10. T h e H M S -1 0 e n c a s e s t h e f i b e r w i t h i n a s o f t n i c k e l s i l v e r ( C u / N i / Z n ) c e n t e r w h i c h i s s u r r o u n d e d b y a t o u g h t u n g s t e n c a r b i d e c a s i [...]

  • Seite 71

    2-43 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s T h e s o f t c o r e , w h i l e a l l o w i n g p r e c i s e c e n t e r i n g , i s a l s o t h e c h i e f l i a b i l - i t y o f t h e c o n n e c t o r . T h e s o f t m a t e r i a l i s e a s i l y d a m a g e d . C a r e m u s t b e take n t o minim ize ex [...]

  • Seite 72

    2-44 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s Us e the f oll o wing guidel ines to achiev e the be st pos sibl e perf ormance when maki ng measur ement s o n a fiber - opt ic sy stem: • N e v e r u s e m e t a l o r s h a r p o b j e c t s t o c l e a n a c o n n e c t o r a n d n e v e r s c r a p e the conne[...]

  • Seite 73

    2-45 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s Figure 2 -8. Dama ge f rom improper cleaning . W h i l e t h e s e o f t e n w o r k w e l l o n f i r s t i n s e r t i o n , t h e y a r e g r e a t d i r t m a g - n e t s . T h e o i l o r g e l g r a b s a n d h o l d s g r i t t h a t i s t h e n g r o u n d i n[...]

  • Seite 74

    2-46 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s t o r p r e s s u r e . A l s o , i f a p i e c e o f g r i t d o e s h a p p e n t o g e t b y t h e c l e a n i n g pr oced ure, the tig h ter conn ecti on is more lik ely to dama ge the glass. Tighten the co n nectors just u nti l t he two fibers touch. • K e e [...]

  • Seite 75

    2-47 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s Visual i nspe ction of fi be r e nds V i s u a l i n s p e c t i o n o f f i b e r e n d s c a n b e h e l p f u l . C o n t a m i n a t i o n o r im perfectio ns on the cabl e end face can be detected as well as cracks o r c h i p s i n t h e f i b e r i t s e l f . [...]

  • Seite 76

    2-48 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s CAUT ION A gi le nt T e c hno l og ie s s t ro ng ly re c om me nd s th at in de x ma tc hi ng c om po un ds not be a pplied to t heir instruments and accessories. Some compounds, such a s gel s, may be diffi c u lt to remove a nd ca n conta i n dam agi ng parti cul [...]

  • Seite 77

    2-49 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s pap er. 4 Clea n the f iber end with the swab or l ens paper. Do not s c r u b d u r i n g t h i s i n i t i a l c l e a n i n g b e c a u s e g r i t c a n b e c a u g h t i n th e swa b and be c om e a go ugi n g el em en t. 5 I m m ed ia t ely dry th e f ib e r en [...]

  • Seite 78

    2-50 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s Alt h ough foam swabs can l eave filmy dep osits, these deposits are very thin , and the risk o f oth er contamination buildup on the inside o f adapt- er s greatly outweigh s the risk of co n taminat ion by foam sw abs. 2 Clea n the adapter with the foam sw a b. 3 D[...]

  • Seite 79

    3 Ad dr essi ng and Ini tia lizi ng the Instrument 3- 3 T o change the GPIB add ress 3-4 Making Me asurements 3- 5 Comma nds are gr ouped in subs yst ems 3-7 Me asu r em en t ins tr uct io n s giv e qui ck re su lts 3 -9 The fo rmat of re t u rned da t a 3-15 M o n i t o r i n g t h e I n s t r u m e n t 3 - 1 6 Sta tus regi sters 3-17 Queu es 3- 2[...]

  • Seite 80

    3-2 Programmin g Programmi ng Progr amming Th is cha pter e xpl ains ho w t o prog ram t he Agil en t 86120C . Th e pr o - gr am m in g sy nta x co nf or ms to th e IE EE 48 8. 2 St an d ar d Di g i tal In te r - f a c e f o r P r o g r a m m a b l e I n s t r u m e n t a t i o n a n d t o t h e S t a n d a r d C o m m a n d s f o r P r o g r a m m[...]

  • Seite 81

    3- 3 Program ming Add ress ing a nd Init iali zing th e Instru ment Add re ssi ng and I ni t iali zi ng th e I nst ru men t The A gil ent 86120C ’s GPIB addr ess is configur ed at t he fa ctor y to a v a l u e o f 2 0 . Y o u m u s t s e t t h e o u t p u t a n d i n p u t f u n c t i o n s o f y o u r p r o - g r a m m i n g l a n g u a g e t o [...]

  • Seite 82

    3-4 Programmin g Addr essin g and Initi a l izing t he In strumen t N o t i c e i n t h e e x a m p l e a b o v e , t h a t t h e c o m m a n d s a r e s e n t t o a n i n s t r u - m e n t a d d r e s s o f 7 2 0 . T h i s i n d i c a t e s a d d r e s s 2 0 o n a n i n t e r f a c e w i t h s e l e c t c o d e 7 . P r e s s i n g t h e g r e e n [...]

  • Seite 83

    3- 5 Program ming Mak in g M easureme nts Ma ki ng Measu rem ents Mak ing measuremen ts re m otely inv ol ves changin g the A gilen t 8 6120C’s setti ngs, perf orming a measure m ent, and t he n returning the dat a to the com puter . The simp lified blo ck diagra m of th e A gi le nt 86120 C s h o w n h e r e l i s t s s o m e o f t h e a v a i l[...]

  • Seite 84

    3-6 Programmin g Ma ki ng Me a su re men ts A f t e r c o l l e c t i n g t h e u n c o r r e c t e d d a t a , t h e A g i l e n t 8 6 1 2 0 C s e a r c h e s t h e d a t a f o r t h e f i r s t 2 0 0 p e a k r e s p o n s e s . ( F o r W L I M i t : O F F , s e a r c h i n g st ar t s at 1650 nm an d p rog res se s t owards 1270 nm . For W L IMit[...]

  • Seite 85

    3- 7 Program ming Mak in g M easureme nts Co mmands are grou ped in sub sy s t ems The A gilen t 86120C commands are group ed in t he fo llo wing sub- s y s t e m s . Y o u ’ l l f i n d a d e s c r i p t i o n o f e a c h c o m m a n d i n Chapter 4, “Pro- g ramming C omman ds” . Subsys tem Purpose of Commands Mea su rem ent Inst ructio ns P[...]

  • Seite 86

    3-8 Programmin g Ma ki ng Me a su re men ts Table 2- 4. Com mands fo r Cap turing Data Desi red Meas uremen t Comma nd to Conf igur e Measu rement (parti al l isting) Comm and to Que ry Data W avele ngth (n m) CONFi gure, FETCh, REA D, and MEAS ure MEASure: ARR ay:PO Wer :W AV e l e ngt h? Fre quency (T Hz) CONFi gure, F ETCh, REA D, and MEAS ure M[...]

  • Seite 87

    3- 9 Program ming Mak in g M easureme nts Measurement instructions give quick results The easies t wa y to mea sur e wa ve lengt h, freq u en cy , or po wer is to use the MEA Sure command . The ME ASur e command is one of f o ur mea- s u r e m e n t i n s t r u c t i o n s : M E A S u r e , R E A D , F E T C h , a n d C O N F i g u r e . T h e s y [...]

  • Seite 88

    3-10 Programmin g Ma ki ng Me a su re men ts A c o m m o n p r o g r a m m i n g e r r o r i s t o s e n d t h e : M E A S u r e c o m m a n d w h e n t h e i n s t r u m e n t i s i n t h e c o n t i n u o u s m e a s u r e m e n t a c q u i s i t i o n mode. Because :MEASure contains an :INI T:IMM command , which ex pe ct s t he s i ng l e m e as[...]

  • Seite 89

    3-11 Program ming Mak in g M easureme nts Als o, becau se new data is not collecte d, F ETCh is especial ly usefu l wh en ch ar act eri zi ng t ra n sie nt d at a. F E T C h d o e s n o t r e c o n f i g u r e t h e d i s p l a y . F o r e x a m p l e , i f t h e d i s p l a y i s in t he Pea k WL m o d e , s e n d i n g : F E T C h : A R R a y d o[...]

  • Seite 90

    3-12 Programmin g Ma ki ng Me a su re men ts A l w a y s f o r c e t h e A g i l e n t 8 6 1 2 0 C t o w a i t f o r n o n - s e q u e n t i a l c o m - mands The A gilent 8 612 0C normall y pro cesses its remote progra mming com- mands sequenti ally. The instrument waits until the a ctions speci f ied by a p a r t i c u l a r c o m m a n d a r e c[...]

  • Seite 91

    3-13 Program ming Mak in g M easureme nts T h e b e n e f i t o f n o n -s e q u e n t i a l c o m m a n d s i s t h a t , i n s o m e s i t u a t i o n s , th ey can r ed uce t he overa ll exe cu t ion t im e s of pr og ra ms . For ex amp le , y ou can set the peak ex cursio n, peak t hre sh ol d, and e le v ation and u se a *W AI command at the e[...]

  • Seite 92

    3-14 Programmin g Ma ki ng Me a su re men ts Measur e delta, dr ift, a nd signa l- to- noise T o s e l e c t a m e a s u r e m e n t , u s e o n e o f t h e f o l l o w i n g S T A T e c o m m a n d s : CALC3:DELT: POW:STAT (d elta pow er ) CALC3:DELT: WAV:STAT (de l ta w ave le ngt h ) CALC3:DELT: WPOW:STAT (d e lta po w e r an d wa ve le n gt h )[...]

  • Seite 93

    3-15 Program ming Mak in g M easureme nts Th e form at o f ret urn ed da ta M e a s u r e m e n t s a r e r e t u r n e d a s s t r i n g s A l l m e a s u r e m e n t v a l u e s a r e r e t u r n e d f r o m t h e A g i l e n t 8 6 1 2 0 C a s ASCII strings. W hen an ar ray is retu rned, t he in dividual value s are sepa rated by the comma charac[...]

  • Seite 94

    3-16 Programmin g Mo nitorin g th e Inst rument Mon itoring the Inst rument A l m o s t e v e r y p r o g r a m t h a t y o u w r i t e w i l l n e e d t o m o n i t o r t h e Agilent 86120C f or its operating st atus. This includes qu erying ex ecu- t i o n o r c o m m a n d e r r o r s a n d d e t e r m i n i n g w h e t h e r o r n o t m e a s u[...]

  • Seite 95

    3-17 Program ming Monit oring th e Ins t rument Stat us reg iste rs T h e A g i l e n t 8 6 1 2 0 C p r o v i d e s f o u r r e g i s t e r s w h i c h y o u c a n q u e r y t o moni t or the instrume nt’s cond ition. These regi s ters allo w you to deter- m i n e t h e f o l l o w i n g i t e m s : • St atus of an opera tion • Availab ility [...]

  • Seite 96

    3-18 Programmin g Mo nitorin g th e Inst rument[...]

  • Seite 97

    3-19 Program ming Monit oring th e Ins t rument The St at us Byte Regis t er can be read u si ng either the *STB? common c o m m a n d o r t h e G P I B s e r i a l p o l l c o m m a n d . B o t h c o m m a n d s r e t u r n t h e deci mal- w eigh ted sum of all set bits in the regis t er . The diff ere nce betw een the tw o met ho ds is that the s[...]

  • Seite 98

    3-20 Programmin g Mo nitorin g th e Inst rument Sta ndard Ev ent S tatus re gister T h e S t a n d a r d E v e n t S t a t u s R e g i s t e r m o n i t o r s t h e f o l l o w i n g i n s t r u m e n t status ev ents: • O P C - O p e r a t i o n C o m p l e t e • R Q C - R e q u e s t C o n t r o l • Q Y E - Q u e r y E r r o r • D D E - D[...]

  • Seite 99

    3-21 Program ming Monit oring th e Ins t rument Enabl ing regist er bits w it h masks Se ve ral masks are avai lable which you can u s e to enable or disab le individua l bits in each register . Fo r exam ple, you can disable t he Hard- cop y bit in the O PERa tion Status Regis t e r so that ev en though it goes h i g h , i t c a n n e v e r s e t [...]

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    3-22 Programmin g Mo nitorin g th e Inst rument Queues Ther e are two queues in t he instrument : the outpu t queue and the e r r o r q u e u e . T h e v a l u e s i n t h e o u t p u t q u e u e a n d t h e e r r o r q u e u e c a n be queried . Output q ueue The outpu t qu eue stores the instrum ent respons es that ar e gene rated b y c e r t a i[...]

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    3-23 Program ming Revi ewing SC PI S yntax R ules Rev iewi ng SC PI S yn tax Ru le s S C P I c o m m a n d a r e g r o u p e d i n s u b s y s t e m s I n a c c o r d a n c e w i t h I E E E 4 8 8 . 2 , t h e i n s t r u m e n t ’ s c o m m a n d s a r e grou ped in t o “s u bs ystems. ” Commands in each subsy stem perf orm sim- ilar tasks. T[...]

  • Seite 102

    3-24 Programmin g Rev iewing SCP I Syn tax Rul es OUT PUT 720; ” :MEAS:SC AL:PO W? MAX ” Programs writte n in long f orm are easily rea d a nd are almost self- do c- umenti ng . Using short f orm commands conse rves the amount of con- t r o l l e r m e m o r y n e e d e d f o r p r o g r a m s t o r a g e a n d r e d u c e s t h e a m o u n t o[...]

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    3-25 Program ming Revi ewing SC PI S yntax R ules Combine commands from d ifferent subsyste ms Y ou can send command s and pro g ram queries from differ ent sub- s y s t e m s o n t h e s a m e l i n e . S i m p l y p r e c e d e t h e n e w s u b s y s t e m b y a sem icolo n followed by a c olo n. In t he followin g example , th e co lon and s e [...]

  • Seite 104

    3-26 Programmin g Rev iewing SCP I Syn tax Rul es is take n care of autom atical ly when y ou inc lude the enti re instructi on i n a s t r i n g . S e v e r a l r e p r e s e n t a t i o n s o f a n u m b e r a r e p o s s i b l e . F o r examp le, t he followin g numb ers are a ll e qual: 28 0.28E 2 280E -1 28000m 0.028K 28E-3 K I f a m e a s u r[...]

  • Seite 105

    3-27 Program ming Revi ewing SC PI S yntax R ules Program message terminator The s tring o f inst r ucti ons sent to the ins trument are ex ecuted after the instruction terminator is receiv ed. The t erminator may be either a n e w -l i n e ( N L ) c h a r a c t e r , t h e E n d -O r - I d e n t i f y ( E O I ) l i n e a s s e r t e d , o r a c o [...]

  • Seite 106

    3-28 Programmin g Ex am pl e P r ogr a ms Example P rograms The follo wing examp le pro grams are p r ov ided in this secti on: Exam ple 1. Me asur e a DFB laser 3- 30 Exam ple 2. Me asure WDM channe ls 3- 32 Exam ple 3. Me asure WDM channe l d ri f t 3- 3 4 Exam ple 4. Me asur e WDM channe l separat ion 3 - 37 Exam ple 5. Me asure sign al- to- noi[...]

  • Seite 107

    3-29 Program ming Exa mple Pr ogra ms The E rr_mngmt subr outine is used to actu all y read the value of the ev ent status register . Examp les 1 through 5 cal l this subr outine. FNIdentity func tion W h e n t h i s f u n c t i o n i s c a l l e d , i t r e s e t s t h e i n s t r u m e n t a n d q u e r i e s t h e i n s t r u m e n t ’ s i d e[...]

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    3-30 Programmin g Ex am pl e P r ogr a ms Exam ple 1. M ea sure a DF B la se r T h i s p r o g r a m m e a s u r e s t h e p o w e r a n d w a v e l e n g t h o f a D F B l a s e r . I t f i r s t s e t s t h e A g i l e n t 8 6 1 2 0 C i n t h e s i n g l e - a c q u i s i t i o n m e a s u r e m e n t m o d e . T h e n , i t t r i g g e r s t h e[...]

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    3-31 Program ming Exa mple Pr ogra ms Identity :DE F FNIde nti ty$; COM /Instr ume nt/ @MwmV DIM Ide ntity$[ 50] Ide n tity $= "" OUTPUT @Mwm;"*RST" OUTPUT @Mwm;"*OPC?" ENTER @Mwm;Opc_do ne OUTPUT @Mwm;"*IDN?" ENTER @Mwm;Identi ty$ RE TU RN Id en tity $ FNEND[...]

  • Seite 110

    3-32 Programmin g Ex am pl e P r ogr a ms Exa mple 2. Measur e WDM channels T h i s p r o g r a m m e a s u r e s t h e m u l t i p l e l a s e r l i n e s o f a W D M s y s t e m . I t m e a s u r e s b o t h t h e p o w e r a n d w a v e l e n g t h s o f e a c h l i n e . F i r s t , t h e p r o - gram sets t he A gilen t 86120C in the singl e- [...]

  • Seite 111

    3-33 Program ming Exa mple Pr ogra ms PRINT Err _msg $ UNTIL NOT BIT(Cme,2) AND NOT BIT( Cme, 4) AND NOT BIT(Cme,5) AND Err$," + 0") Suben d:S UBEND Set_ese:S UB Set_e se COM /Instr ume nt/ @Mwm OUTPUT @Mwm; " *ESE" ;IVAL("0 011 0100",2) SUBEN D Identity :DE F FNIde nti ty$; COM /Instr ume nt/ @Mwm DIM Ide ntity$[ 50] [...]

  • Seite 112

    3-34 Programmin g Ex am pl e P r ogr a ms Exampl e 3. Measure WDM channel drift This program measure s the dri ft of ch annel s in a WDM system . It m e a s u r e s d r i f t i n b o t h p o w e r a n d w a v e l e n g t h o f e a c h l i n e . F i r s t , t h e pro gram sets the Agilent 86120C in the continuous- acquisit ion m ea- s u r e m e n t [...]

  • Seite 113

    3-35 Program ming Exa mple Pr ogra ms ! Query reference w avelengths an d powers OUT PUT @Mw m;" :CALC3 :DATA ? WA V" EN TER @Mwm US I NG "# ,K" ;Curre nt _ref _wl(*) OUT PUT @Mw m;":C ALC3 :DATA? POW" EN TER @Mwm US I NG "# ,K " ;Curre nt_ref _pwr(*) ! T urn off d rift reference sta te Cmd_ opc(": CALC [...]

  • Seite 114

    3-36 Programmin g Ex am pl e P r ogr a ms Subend :S UBEND Set_ese:S UB Set_e se COM /Instr ume nt/ @Mwm OUTPUT @Mwm ;" *ES E "; IVAL( " 0011 0100",2) SUBEN D Identity :DE F FNIde nti ty$; COM /Instr ume nt/ @Mwm DIM Ide ntity$[ 50] Ide n tity $= "" OUTPUT @Mwm;"*RST" OUTPUT @Mwm;"*OPC?" ENTER @Mwm;O[...]

  • Seite 115

    3-37 Program ming Exa mple Pr ogra ms Exam ple 4. Me asure WD M chan ne l sep aratio n T h i s p r o g r a m m e a s u r e s t h e l i n e s e p a r a t i o n s o n a W D M s y s t e m . I t m e a - sures separat ion (delta) betw een po wer and wa ve l e ngth of e a ch line usin g comm and s fr om t he CALC ulat e3 su bsys te m. Ref er to t he intr[...]

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    3-38 Programmin g Ex am pl e P r ogr a ms " ;(De lta _wl (I )+( (NO T I=1 )* De lta_ wl( 1 )))/1 .0 E- 9;" nm . A bso lute l in e le vel i s : ";Del ta_pwr (I )+(NOT I= 1) *Delt a_p w r(1); " dBm" PRINT USING "17A,2D,6A, M4D.3D,23A,2 D ,6A, S2D.2D,3A";"De lta Wl to l ine ",I+1," is : " ;( Del t[...]

  • Seite 117

    3-39 Program ming Exa mple Pr ogra ms Exam ple 5. M ea sure sign al- to - no ise r at io of eac h WDM channel This program measure s signa l- to- no i se ra tios on a WDM system. It m e a s u r e s t h e r a t i o f o r e a c h l i n e u s i n g c o m m a n d s f r o m t h e C A L C u l a t e 3 subsy stem. Ref er to t he introduction to this sectio[...]

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    3-40 Programmin g Ex am pl e P r ogr a ms FOR I=1 T O Nb_pt PRINT USI NG "7A,2D, 17A,M4D. 3D,25A,S2D.2D, 2 2A,2D.2D,3A";" Line : ";I ;" wave le ngth is : ";Cur rent_w l( I )/ 1.0E-9 ;" nm, absolut e level is : ";Cur rent_ pwr(I ); " dBm, with a SNR of : ";Snr _pwr(I); " dB" NEX T I STOP Er[...]

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    3-41 Program ming Exa mple Pr ogra ms Exa mple 6. Incre ase a s ou rce’ s w av elength accur acy T h i s e x a m p l e p r o g r a m u s e s t h e A g i l e n t 8 6 1 2 0 C t o i n c r e a s e t h e a b s o - lut e w avelen gth accu rac y of A gile nt 8 16 7 A , 8168 B, a nd 8 168C T un ab le Lase r Source s. E ss enti all y , the Agilent 86120C?[...]

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    3-42 Programmin g Ex am pl e P r ogr a ms COM Current_ wl,Diff_ wl.Ta rget_w l,Previou s_diff,Diff_ diff Current_w l =0 Di ff_wl =0 Target_ wl=0 Previous_diff=O Diff_di ff=0 AS SIGN @Tl s TO 72 4 ASSIGN @Mw m T O 720 ! I n it ia l iz e i n st ru m e nt DIM Id ent ity$[5 0] Identi ty$=" " OUT P UT @T ls ; "* CLS " OUT P UT @T ls;[...]

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    3-43 Program ming List s of Command s Lists of Comm ands Table 3- 10. Progr amming Commands (1 of 5) Comma nd Des cription Cod e Codes : S ind icates a st andar d SCPI co mmand. I indi cates an inst rumen t spe cific comm and. Common C omm ands *CLS Clea rs all even t regi st ers and t h e e rror qu eue . *ESE Sets th e bits in the sta ndard-event [...]

  • Seite 122

    3-44 Programmin g Li st s of Co mm a nd s CALCu late 1 (C ALC1) Sub system :C ALCu lat e1:DA T A? Quer ie s th e unc orrect ed frequ ency -spect rum data of the input s ignal. S :CALC ulate1:TR ANsform:F REQue ncy:POINts? Sets a nd que ries the n umber of poin ts in th e data s et. S CALCu late 2 (C ALC2) Sub system :CALC ulate2:D A T A? Que ries t[...]

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    3-45 Program ming List s of Command s :CALC ulate3:D EL T a: REFeren ce[:WAV elength ] Se lects the signal to be use d a s the refe rence f or the D EL T a ca lcu lat ion s. I :C ALCu lat e3: D EL T a:REF erenc e:WNUMber Selec ts the signa l to be used as the ref eren ce for the D EL T a ca lcu lat ion s. I :CALC ulate3:D EL T a:WA V elength [:ST A[...]

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    3-46 Programmin g Li st s of Co mm a nd s :C ALCu lat e3: FPERot : PO W er: [WA V ele ngth]? Quer ie s th e powe r wave le ngth of th e sele cted mod es. I :C ALCu lat e3: FPER ot :POW er:FR EQuency? Quer ies t he po wer f requen cy of the s elec ted mode s. I :C ALCula te3:FP ERo t:POW er: WNUMber ? Q ueries th e power wave numbe r of the sel ec t[...]

  • Seite 125

    3-47 Program ming List s of Command s :SE NSe:CO RRectio n:E LEV atio n Sets the el evatio n v alue u sed by th e ins t ru m en t to com pen sa te for ai r d isp ersio n. I :SE NSe:CO RRectio n:O FFSe t:MAG Nitud e Sets the po wer offs et va lue used by the instrum ent. S :SENSe :CORR ection: MEDium Sets th e instr ument to retu rn the w avelength [...]

  • Seite 126

    3-48 Programmin g Li st s of Co mm a nd s Table 3-11. K eys Versus Comm and s (1 of 2) Key Equ ival ent C omm an d ∆ PWR :CALCu late 3:DEL T a:PO Wer[:S T A T e ] ∆ WL :CA LCu la te 3:DE L T a:WAV e le ngth [ :ST A T e ] ∆ WL / PWR :C ALC ulate3 :DEL T a:WPO W er[ :ST A T e] Appl' s See DR IF T , S/N, an d FP TE ST AUT O :C ALCul a te3: [...]

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    3-49 Program ming List s of Command s Peak WL See NEXT PK, NEXT WL , PEAK, PREV PK , an d PRE V WL PK E XC :C ALC ulate2 :P EXCur sion PK THLD :CALCu late2:PTHReshol d POWER :UNIT:POWe r Pr eset : S YST em:PR ESet PREV PK :DISPlay:MARKer:MAXimum :PREV ious PREV WL :DISPlay:MARKer:MAXimum:LEF T Pr in t :HC OPy: IMMe diat e PWR BAR S ee BA R O N and [...]

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    3-50 Programmin g Li st s of Co mm a nd s[...]

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    4 Co mmon Comma nds 4- 3 Me as u rem en t In st ru c tio n s 4- 1 5 CA LC ul at e1 Su b sy s te m 4 - 2 5 CA LC ul at e2 Su b sy s te m 4 - 3 1 CA LC ul at e3 Su b sy s te m 4 - 4 4 CONFigu re Me asur ement Inst ru ct ion 4- 7 4 DISPl ay Subsyste m 4- 75 FE T Ch Me as ur em en t In st ru c tio n 4 - 79 HCOPy Su bsyste m 4- 80 MEASure Meas uremen t [...]

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    4-2 Progra mm ing Co mma nds Programmi ng Commands Progr amming Comm ands T h i s c h a p t e r i s t h e r e f e r e n c e f o r a l l A g i l e n t 8 6 1 2 0 C p r o g r a m m i n g c o m - mands. Co mmand s are organized by subsy stem. Table 4-1 2. N otation Conv ention s and D efin itions Con vent io n Des cri ptio n < > Angle br a c kets[...]

  • Seite 131

    4- 3 Programming Co mmands Common Comma nds Comm on Comm ands Com mo n co mm an ds a re d ef i ned by t he I EEE 48 8. 2 s t an dard . Th ey contr ol generi c devic e f unct ions which could be common among man y diff erent types of instruments. Common commands can be recei ved a n d p r o c e s s e d b y t h e i n s t r u m e n t w h e t h e r t h[...]

  • Seite 132

    4-4 Progra mm ing Co mma nds Common Commands <inte ger> i s a m a s k f r o m 0 t o 2 5 5 . De scri pti on T h e e v e n t s t a t u s e n a b l e r e g i s t e r c o n t a i n s a m a s k v a l u e f o r t h e b i t s t o b e e n a b l e d i n t h e e v e n t s t a t u s r e g i s t e r . A b i t s e t t o o n e ( 1 ) i n t h e e v e n t s t[...]

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    4- 5 Programming Co mmands Common Comma nds *ESR? T h e * E S R ( e v e n t s t a t u s r e g i s t e r ) q u e r y r e t u r n s t h e v a l u e o f t h e e v e n t status re gister . Syntax *ESR? De scri pti on When you read the standar d ev e nt status regi ster , the valu e retu r ned i s t h e t o t a l o f t h e b i t w e i g h t s o f a l l [...]

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    4-6 Progra mm ing Co mma nds Common Commands *IDN? T h e * I D N ? ( i d e n t i f i c a t i o n n u m b e r ) q u e r y r e t u r n s a s t r i n g v a l u e w h i c h iden tifies the ins trument type and f irmware versio n . Syntax *IDN? De scri pti on A n * I D N ? q u e r y m u s t b e t h e l a s t q u e r y i n a p r o g r a m m e s s a g e .[...]

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    4- 7 Programming Co mmands Common Comma nds *OPC The *OPC (oper ation comp lete) command sets t he operation comp lete b i t i n t h e e v e n t s t a t u s r e g i s t e r w h e n a l l p e n d i n g d e v i c e o p e r a t i o n s have f in ished. Syntax *OP C *OPC ? De scri pti on T h e * O P C ? q u e r y p l a c e s a n A S C I I “ 1 ” i n[...]

  • Seite 136

    4-8 Progra mm ing Co mma nds Common Commands *RST T h e * R S T ( r e s e t ) c o m m a n d r e t u r n s t h e A g i l e n t 8 6 1 2 0 C t o a k n o w n conditio n . Syntax *RST De scri pti on For a li st in g o f res e t con di ti on s, r efer t o t he foll owing t a b le. T his c o m- m a n d c a n n o t b e i s s u e d a s a q u e r y . S i n c[...]

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    4- 9 Programming Co mmands Common Comma nds *SAV This command sav es an i nstrument st ate. Syntax *SA V <int ege r> <inte ger> r a n g e i s 1 t o 4 . De scri pti on The follo wing constit u tes an instrument st ate: single/c ontinuous m ea- surem ent mode, po wer bar on/o f f, vacu u m/ STD air mode , normal/fas t u p d a t e , l i s [...]

  • Seite 138

    4-10 Progra mm ing Co mma nds Common Commands o f f s e t , s i g n a l -t o -n o i s e a u t o m o d e o n / o f f , w a v e l e n g t h l i m i t o n / o f f , w a v e - leng th limit star t, wav elength limit s top, and sign al- to- noise av erag e count. *SRE T h e * S R E ( s e r v i c e r e q u e s t e n a b l e ) c o m m a n d s e t s t h e [...]

  • Seite 139

    4-11 Programming Co mmands Common Comma nds Query Re sponse <inte ger> fro m 0 t o 6 3 o r f rom 128 t o 19 1. Ex ample OUT PUT 720; ” *SRE 32 ” In this examp le, the comman d enabl es ESB (ev ent summar y) bit 5 in t h e s t a t u s b y t e r e g i s t e r t o g e n e r a t e a s e r v i c e r e q u e s t .[...]

  • Seite 140

    4-12 Progra mm ing Co mma nds Common Commands *STB? T h e * S T B ( s t a t u s b y t e ) q u e r y r e t u r n s t h e c u r r e n t v a l u e o f t h e i n s t r u - ment ’s status byte . Syntax *ST B? De scri pti on T h e m a s t e r s u m m a r y s t a t u s ( M S S ) b i t 6 i n d i c a t e s w h e t h e r o r n o t t h e d e v i c e h a s a[...]

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    4-13 Programming Co mmands Common Comma nds *TRG The *TRG (trigger) co mmand is iden tical to the group execute trigge r ( G E T ) m e s s a g e o r R U N c o m m a n d . Syntax *TRG De scri pti on This co mmand acquires data accordin g to t he current settings. This co mmand cannot be issued as a query. If a measu rem ent is alrea dy in p r o g r [...]

  • Seite 142

    4-14 Progra mm ing Co mma nds Common Commands *WAI The *W AI command p re ve nts t he instrum ent fro m ex ecuting any fur- ther commands unti l the current command has f inishe d ex e cuting . Syntax *W AI De scri pti on A l l p e n d i n g o p e r a t i o n s a r e c o m p l e t e d d u r i n g t h e w a i t p e r i o d . T h i s command cannot b[...]

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    4-15 Programming Co mmands Measur ement Inst ructions Measurement Ins truct i ons Use the measure ment instructions documented in this section t o p er - f o r m m e a s u r e m e n t s a n d r e t u r n t h e d e s i r e d r e s u l t s t o t h e c o m p u t e r . F our basi c mea sure ment in str uct io ns are used: CONFi gure, FETCh, R E A D , a[...]

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    4-16 Progra mm ing Co mma nds Meas ureme n t I nstruct ions The commands in this subsystem ha ve the fo l lo wi ng comm and hier ar- ch y: { : M E A S u r e | : R E A D [ ? ] | : F E T C h [ ? ] | : C O N F i g u r e [ ? ] } {:ARRa y | [:SCALar] } :POWer[?] :FREQuency[ ?] :WAVelen gth[?] :WNUMb er[?][...]

  • Seite 145

    4-17 Programming Co mmands Measur ement Inst ructions MEAS u re{ :A RRay | [:SC ALar ]} :PO Wer? Retu r ns ampli tude values. Syntax :POWer? [<expected _value>[,<reso lution>]] De script ion W h e n u s e d w i t h a : S C A L a r c o m m a n d , a s i n g l e v a l u e i s r e t u r n e d . T h e d i s p l a y i s p l a c e d i n t h e[...]

  • Seite 146

    4-18 Progra mm ing Co mma nds Meas ureme n t I nstruct ions Examples :CONF:ARR:POW :FETC:ARR:POW? :READ:ARR:POW? :MEAS:ARR:POW? :CONF :SCA L:POW -1 0 dBm :FETC:S CAL:PO W? MA X :READ: SCAL:P OW? MI N :MEAS:SC AL:PO W? D EF Query R esponse T h e f o l l o w i n g l i n e i s a n e x a m p l e o f a r e t u r n e d s t r i n g w h e n :MEAS: SCAL: PO[...]

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    4-19 Programming Co mmands Measur ement Inst ructions MEAS u re{ :ARRay | [:S CALa r]} :P OWer:F REQu en- cy? Retu r ns fr eq uency values. Syntax :POWer:F REQuency? [<exp ected_value>[,<r esolution>]] De script ion W h e n u s e d w i t h a : S C A L a r c o m m a n d , a s i n g l e v a l u e i s r e t u r n e d . T h e d i s p l a y [...]

  • Seite 148

    4-20 Progra mm ing Co mma nds Meas ureme n t I nstruct ions DE Faul t The cur ren t mar ker po si ti on <reso lutio n> Co nstan ts MA Ximu m 0.01 reso luti on ( fas t up date ) MINi mum 0.001 resol ution (n orm al) DEF au lt C u rr ent res ol ut ion Examples :CONF:ARR:POW:FREQ DEF, MIN :FETC:ARR:POW:FREQ? DEF, MAX :READ:ARR:PO W:FREQ ? :MEAS:[...]

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    4-21 Programming Co mmands Measur ement Inst ructions MEAS u re{ :A RRay | [:SC ALar ]} :PO Wer:W AVe- length? Retu r ns wav el ength v alu e s. Syntax :POWer:W AVelengt h? [<expected_value>[,< resolution>]] De script ion W h e n u s e d w i t h a : S C A L a r c o m m a n d , a s i n g l e v a l u e i s r e t u r n e d . T h e d i s p [...]

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    4-22 Progra mm ing Co mma nds Meas ureme n t I nstruct ions <reso lutio n> Co nstan ts MA Ximu m 0.01 reso luti on ( fas t up date ) MINi mum 0.001 resol ution (n orm al) DEF au lt C u rr ent res ol ut ion Examples : CO NF:A RR :P OW: WA V DEF , MA X :FETC:ARR:POW: WAV? DEF, MIN :READ:ARR:POW:WAV? :MEAS:ARR:POW:WAV? :CONF :SCA L:POW:W AV 1 30[...]

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    4-23 Programming Co mmands Measur ement Inst ructions MEAS u re{ :A RRay | [:SC ALar ]} :PO Wer:W NUM ber ? Ret ur ns a w a ve n umbe r va lu e. Syntax :POWer:W NUMber? [<expected _value>[,<resolution >]] De script ion W h e n u s e d w i t h a : S C A L a r c o m m a n d , a s i n g l e v a l u e i s r e t u r n e d . T h e d i s p l a[...]

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    4-24 Progra mm ing Co mma nds Meas ureme n t I nstruct ions <reso lutio n> Co nstan ts MA Ximu m 0.01 reso luti on ( fas t up date ) MINi mum 0.001 resol ution (n orm al) DEF au lt C u rr ent res ol ut ion Examples : CO NF:A RR :P OW: WN UM DE F, MA X :FETC:ARR:POW:WNUM? DEF, MIN :READ:ARR:POW:WNUM? :MEAS:ARR:POW:WNUM? :CON F:SCA L:POW:W NUM [...]

  • Seite 153

    4-25 Programming Co mmands CALC ulat e1 Sub syst em CALCulate1 Subsystem Us e the CAL Culate1 comman ds t o query uncorr ec ted f r e q u e n c y -s p e c - trum data. In NORM AL m e a s u r e m e n t u p d a t e m o d e , 1 5 , 0 4 7 v a l u e s a r e retu rn e d. If t h e A gil ent 86 120C is set for FA S T m e a s u r e m e n t u p d a t e m o d[...]

  • Seite 154

    4-26 Progra mm ing Co mma nds CALCulate1 Subsystem DATA? Queri es uncorrecte d f r e q u e n c y -s p e c t r u m d a t a o f t h e i n p u t l a s e r l i n e . Syntax :CALC ula te1:DATA ? Attribute Su mmary Preset State: not aff ected SCPI Compli anc e: stand ard Query Only De script ion The returned values are proportional t o squared W atts (li[...]

  • Seite 155

    4-27 Programming Co mmands CALC ulat e1 Sub syst em When NO RM AL m e a s u r e m e n t m o d e i s s e l e c t e d , t h e u n c o r r e c t e d f r e - q u e n c y d o m a i n d a t a c o n s i s t s o f 6 4 K v a l u e s . O n l y t h e f r e q u e n c y d o m a i n d a t a c o r r e s p o n d i n g t o 1 2 7 0 – 1 6 5 0 w a v e l e n g t h ( [...]

  • Seite 156

    4-28 Progra mm ing Co mma nds CALCulate1 Subsystem T h i s q u e r y w i l l g e n e r a t e a “ S e t t i n g s c o n f l i c t ” e r r o r i f t h e i n s t r u m e n t i s i n t h e s i g n a l -t o - n o i s e a v e r a g e a p p l i c a t i o n .[...]

  • Seite 157

    4-29 Programming Co mmands CALC ulat e1 Sub syst em TRANs form:FRE Quency:POI Nts S e t s t h e s i z e o f t h e f a s t F o u r i e r t r a n s f o r m ( F F T ) p e r f o r m e d b y t h e instrument. Syntax :CALC ula te1:T RAN sfor m:FREQ uen cy: POINts {?| {<in tege r> | M INi mum | M AX imum}} < int eger > S e t s F F T s i z e . [...]

  • Seite 158

    4-30 Progra mm ing Co mma nds CALCulate1 Subsystem Query R esponse F or n orm al upda te: +15, 047 For f a s t u p d a t e: +7, 525[...]

  • Seite 159

    4-31 Programming Co mmands CALC ulat e2 Sub syst em CALCulate2 Subsystem Us e the CAL Culate2 comman ds t o query correcte d v alue s fre que nc y- spec tr um data. The commands in this subsystem ha ve the fo l lo wi ng comm and hier ar- ch y: :CA L Cu la t e2 : DATA? :P EX C u rs io n :P OI N ts? :P TH R e sh old :P WA V e ra ge [:STATe ] :W LI M [...]

  • Seite 160

    4-32 Progra mm ing Co mma nds CALCulate2 Subsystem DATA? Qu eri e s t h e co r r ect e d p ea k da ta of t h e inp ut la s er l in e . Syntax :CALC ula te2:DA TA ? {F REQ uency | PO Wer | WA Vel ength | WN U Mber} Co ns tant Descr ipti on FREQ uen cy Qu eries t he arra y of l aser-li ne fre quen cies aft er the peak se arch i s com pleted. If :CALC[...]

  • Seite 161

    4-33 Programming Co mmands CALC ulat e2 Sub syst em W h e n t h e r e i s n o i n p u t s i g n a l , t h e P O W e r q u e r y r e t u r n s – 2 0 0 d B m ; t h e W A V e l e n g t h q u e r y r e t u r n s 1 0 0 n m ( 1 . 0 E – 7 ) . PEXC ur sion Se ts the pe ak ex cursi on limit used by the Ag i lent 86120 C to determine vali d l ase r line [...]

  • Seite 162

    4-34 Progra mm ing Co mma nds CALCulate2 Subsystem PO INts? Que ries t he number of point s in the data set. Syntax :CALC ula te2:P OINts? Attribute Su mmary Preset State: unaffe cted *RST State: u naff e cted S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c Query Only De script ion T h i s i s t h e n u m b e r o f p o i n t s t h[...]

  • Seite 163

    4-35 Programming Co mmands CALC ulat e2 Sub syst em DEFa ult 10 dB Attribute Su mmary Non- se quentia l command Preset State: 10 dB * R S T S t a t e : 1 0 d B S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c De script ion A l a s e r l i n e i s i d e n t i f i e d a s a v a l i d p e a k i f i t s a m p l i t u d e i s a b o v e [...]

  • Seite 164

    4-36 Progra mm ing Co mma nds CALCulate2 Subsystem Turning pow er - wei g hted a v erage mode on wh il e makin g del ta, Fabr y- P erot , or sign al- to- noise m easu rements re sults in a “–221 Setti ngs con- fl i ct ” e rr o r .[...]

  • Seite 165

    4-37 Programming Co mmands CALC ulat e2 Sub syst em WLIMit[:STA Te] T urns wav e leng t h limiting on a nd off. Syntax :CAL Cula te2:W LIMi t[:S TATe ]{?| { ON | OF F | 1 | 0}} Attribute Su mmary Non- se quentia l command Preset State: on *RST State: on S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c De script ion When t his funct[...]

  • Seite 166

    4-38 Progra mm ing Co mma nds CALCulate2 Subsystem WLIMit:STARt :FREQuency S e t s t h e s t a r t f r e q u e n c y f o r t h e w a v e l e n g t h l i m i t r a n g e . Syntax :C ALC ula te2:W LIM it:S TA Rt:F REQ uen cy {?|{< r eal> | MI Ni mum | MAX imu m } } < rea l > i s a f r e q u e n c y v a l u e t h a t i s w i t h i n t h e [...]

  • Seite 167

    4-39 Programming Co mmands CALC ulat e2 Sub syst em WLIMit:STARt[:WAV elength] Syntax C ALCulate2:WLIMit:S TARt[:WAV elength] {?|{<r eal> | MIN imum | MA Ximum }} < rea l > i s a w a v e n u m b e r v a l u e t h a t i s w i t h i n t h e f o l l o w i n g l i m i t s : Co ns tant Descr ipti on MINi mum 1 270 nm MAXi mu m wav eleng th l[...]

  • Seite 168

    4-40 Progra mm ing Co mma nds CALCulate2 Subsystem WLIMit:STARt :WNUMber S e t s t h e s t a r t i n g w a v e n u m b e r f o r t h e w a v e l e n g t h l i m i t r a n g e . Syntax :C ALCula te2:WL IMit:S TARt:WN UM ber {?|{ <real> | MINim um | MAXimu m}} < rea l > i s a w a v e n u m b e r v a l u e t h a t i s w i t h i n t h e f o[...]

  • Seite 169

    4-41 Programming Co mmands CALC ulat e2 Sub syst em WLIMit:STOP :FREQuency Sets the stopping frequency fo r the wav el e ngth l i mit range. Syntax :CALCulate2:WLIMit:STOP:FREQ uency {?|{<real> | MINimum | M AXimum }} < rea l > i s a f r e q u e n c y v a l u e t h a t i s w i t h i n t h e f o l l o w i n g l i m i t s : Co ns tant Des[...]

  • Seite 170

    4-42 Progra mm ing Co mma nds CALCulate2 Subsystem WLIMit:S TOP[:WAVelen gth] S e t s t h e s t o p p i n g w a v e l e n g t h f o r t h e w a v e l e n g t h l i m i t r a n g e . Syntax :C ALCula te2:WL IMit:S TOP[:WA Veleng th] {?|{< real> | MI Nimum | M AXimum }} < rea l > i s a w a v e l e n g t h v a l u e t h a t i s w i t h i n[...]

  • Seite 171

    4-43 Programming Co mmands CALC ulat e2 Sub syst em WLIMit:STOP :WNUMber S e t s t h e s t o p p i n g w a v e n u m b e r f o r t h e w a v e l e n g t h l i m i t r a n g e . Syntax :CALCulate2:WLIMit:STOP:WNU Mber { ?|{<real> | M INimum | MA Ximum }} < rea l > i s a w a v e n u m b e r v a l u e t h a t i s w i t h i n t h e f o l l [...]

  • Seite 172

    4-44 Progra mm ing Co mma nds CALCulate3 Subsystem CALCulate3 Subsystem U s e t h e C A L C u l a t e 3 c o m m a n d s t o p e r f o r m d e l t a , d r i f t , s i g n a l -t o -n o i s e , and Fab r y- Per ot measurem ents. The commands in thi s subsystem ha ve t h e f o l l o w i n g c o m m a n d h i e r a r c h y : :CA L Cu la t e3 :A SN R :C[...]

  • Seite 173

    4-45 Programming Co mmands CALC ulat e3 Sub syst em :F PE R ot [:STATE ] :FWH M [:WA Veleng th]? :FREQuency? :WNUMb er? :MEAN [:WA Veleng th]? :FREQuency? :WNUMb er? :MODE [:WA Veleng th]? :FREQuency? :WNUMb er? :PEAK [:WA Veleng th]? :FREQuency? :WNUMb er? :POWer? :POWer [:WA Veleng th]? :FREQuency? :WNUMb er? :SIGM a [:WA Veleng th]? :FREQuency? [...]

  • Seite 174

    4-46 Progra mm ing Co mma nds CALCulate3 Subsystem AS NR :CLE ar C l e a r s t h e n u m b e r o f m e a s u r e m e n t s u s e d i n t h e a v e r a g e s i g n a l -t o - noise calculation. Syntax :CALC ulate3:A SNR :CLEar Attribute Su mmary Preset State: not affecte d *R ST S t a te: n o t a ff e ct ed S C P I C o m p l i a n c e : i n s t r u [...]

  • Seite 175

    4-47 Programming Co mmands CALC ulat e3 Sub syst em ASNR: C O UNt S e t s t h e n u m b e r o f m e a s u r e m e n t s t o b e u s e d f o r t h e a v e r a g e s i g n a l - t o - noise calculation. Syntax :CALC ula te3:ASN R:C OUNt {? |{<i nteger> | M INim um | MAXi mum }} < int eger > i s a v a l u e t h a t i s w i t h i n t h e f [...]

  • Seite 176

    4-48 Progra mm ing Co mma nds CALCulate3 Subsystem AS NR [:S TAT e] T ur ns t h e avera ge s igna l- t o - noi s e ra ti o o n o r of f . Syntax :CA LCu late 3: ASNR[ :S TAT e] {? |{ ON | OFF | 1 | 0 }} Attribute Su mmary Preset State: off *RST State: off S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c De script ion T h i s c o m [...]

  • Seite 177

    4-49 Programming Co mmands CALC ulat e3 Sub syst em DATA? Que ries t he data resulti ng from delta, drift, and signal - to- noise mea- suremen ts. Syntax :CALC ula te3:DA TA ? {P OWer | FREQ u ency | WA Vele ngth | WN UM ber} Arg ume nt Descr iption POWer Q uer ie s t he a rr ay of la s er-l in e pow ers af ter the c alc ulat ion i s comp lete d. F[...]

  • Seite 178

    4-50 Progra mm ing Co mma nds CALCulate3 Subsystem DELTa:POWer [:STATe] T ur ns t h e de lt a- p ower m ea sur e me nt m od e o n a nd o f f. Syntax :CALC ula te3:DEL Ta:POW er[:STA Te]{? | {O N | O FF | 1 | 0}} Attribute Su mmary Preset State: off *RST State: off S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c De script ion W h e[...]

  • Seite 179

    4-51 Programming Co mmands CALC ulat e3 Sub syst em DELT a: RE Fer enc e:FREQ uency Selec ts t he r ef ere nce la ser li ne for DELTa c alcu latio ns. Syntax :CALC ula te3:DEL Ta:REFe re nce:FR EQuenc y{?| {<re al> | MI Nimu m | MAXi mum }} <re al> i s a f r e q u e n c y v a l u e t h a t i s w i t h i n t h e f o l l o w i n g l i m i[...]

  • Seite 180

    4-52 Progra mm ing Co mma nds CALCulate3 Subsystem DELTa :REFer ence[:W AVel ength] Selec ts t he r ef ere nce laser li ne for D EL Ta c alcu latio ns. Syntax :CALCula te3:DELTa:REFer ence[:WAV elength]{?| {<re al> | MIN imum | MAXim um}} <re al> i s a w a v e l e n g t h v a l u e t h a t i s w i t h i n t h e f o l l o w i n g l i m i[...]

  • Seite 181

    4-53 Programming Co mmands CALC ulat e3 Sub syst em DELT a:REFe rence: WNUM ber Selec ts t he r efere nce la ser lin e for delt a c alcul ati ons. Syntax :CALC ula te3:DEL Ta:REF er ence:WN UM ber{?| {< real> | MI Ni mum | M AXimum }} <re al> i s a w a v e n u m b e r v a l u e t h a t i s w i t h i n t h e f o l l o w i n g l i m i t s[...]

  • Seite 182

    4-54 Progra mm ing Co mma nds CALCulate3 Subsystem DELTa :WAV eleng th[: STATe] T ur ns t h e de lt a w avele ng th m ea su re me nt m od e o n an d o f f . Syntax :CAL Cula te3:D EL Ta:WAV elen gth [:STATe ]{ ?| {ON | OFF | 1 | 0}} Attribute Su mmary Preset State: off *RST State: o ff S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i[...]

  • Seite 183

    4-55 Programming Co mmands CALC ulat e3 Sub syst em DELTa :WPOWer [:STATe] Turns the del ta wav elength and po wer measurem ent mode on and off. Syntax :CA LCul ate3 :DELTa: WPOWe r[: STATe] {? | { ON | OFF | 1 | 0}} Attribute Su mmary Preset State: off *RST State: o ff S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c De script ion[...]

  • Seite 184

    4-56 Progra mm ing Co mma nds CALCulate3 Subsystem DR IFt:DI FFerence[: STATe] S e t s t h e d r i f t c a l c u l a t i o n t o s u b t r a c t t h e m i n i m u m v a l u e s m e a s u r e d f r o m t h e m a x i m u m v a l u e s m e a s u r e d . Syntax :CAL Cul ate3 :DRI Ft:DIF Fere nce[ :S TATe]{ ?| { ON | OFF | 1 | 0}} Attribute Su mmary Pre[...]

  • Seite 185

    4-57 Programming Co mmands CALC ulat e3 Sub syst em DR IFt:MAX imum[:STA Te] S e t s t h e d r i f t c a l c u l a t i o n t o r e t u r n t h e m a x i m u m p o w e r a n d f r e q u e n c y valu es me asu re d. Syntax :CA LCu lat e3 :DR IF t:MA Xim um [: STA Te] {? | {O N | OFF | 1 | 0}} Attribute Su mmary Preset State: off *RST State: o ff S C [...]

  • Seite 186

    4-58 Progra mm ing Co mma nds CALCulate3 Subsystem DR IFt:MI Nimum[:STA Te] S e t s t h e d r i f t c a l c u l a t i o n t o r e t u r n t h e m i n i m u m p o w e r a n d f r e q u e n c y valu es me asu re d. Syntax :CA LCu late 3: DRI Ft: MIN imum[ :S TAT e] {?| { ON | OF F | 1 | 0 }} Attribute Su mmary Preset State: off *RST State: o ff S C P[...]

  • Seite 187

    4-59 Programming Co mmands CALC ulat e3 Sub syst em DR IFt:PRE S et Turns off all th e d ri f t states f or DIFFe rence, MAXimum, MINimum, and REF eren ce. Syntax :CALCula te3:DR IFt:PR ESet Attribute Su mmary Preset State: unaffe cted by * R S T S t a t e : u n a f f e c t e d b y S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c C[...]

  • Seite 188

    4-60 Progra mm ing Co mma nds CALCulate3 Subsystem DR IFt:REFerenc e[:STATe] T u r n s o n a n d o f f t h e d r i f t r e f e r e n c e s t a t e . Syntax :CALCulate3:DRIFt:REFeren ce[:STATe]{?| {ON | O FF | 1 | 0}} Attribute Su mmary Preset State: off *RST State: o ff S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c De script ion[...]

  • Seite 189

    4-61 Programming Co mmands CALC ulat e3 Sub syst em DR IFt[:S TATe] Turns on and off t he drift m easu rem ent calcu lati on. Syntax :CALC ula te3:DRIFt [:STA Te]{? | {O N | O FF | 1 | 0} } Attribute Su mmary Preset State: off *RST State: o ff S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c De script ion W h e n t h e d r i f t m [...]

  • Seite 190

    4-62 Progra mm ing Co mma nds CALCulate3 Subsystem FP ERo t[:ST ATE] Turns on and off the Fabry- P erot measu rem ent m o de. Syntax :CAL Cul ate3 :F PERot[ :STATE ] { ? | { ON | O FF | 1 | 0}} Attribute Su mmary Preset State: off *RST State: off S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c De scri pti on When the state is ON, [...]

  • Seite 191

    4-63 Programming Co mmands CALC ulat e3 Sub syst em Attribute Su mmary Preset State: not affecte d *R ST S t a te: n o t a ff e ct ed S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c Query only FPE R ot: MEA N? Q u e r i e s t h e m e a n d a t a o f t h e s e l e c t e d m o d e s . Syntax :C ALCula te3:FP ERot:MEAN {[:WAVe lengt [...]

  • Seite 192

    4-64 Progra mm ing Co mma nds CALCulate3 Subsystem FP ERo t:MO DE:SPA Cing ? Que ries t he mode spacin g data of the selec ted modes. Syntax :C ALCula te3:FP ERot:MODE: SPA Cing{[:W AVelen gth] | :FREQ uenc y | :W NUMb er}? Arg ument Des crip tion W AV ele ng th R etu rns th e mo de spac in g wa vele ngt h of th e s elec ted mo des. FREQu ency Retu[...]

  • Seite 193

    4-65 Programming Co mmands CALC ulat e3 Sub syst em FP ERo t:PEAK ? Que ries t he peak data of the sel ected modes. Syntax :C ALCula te3:FP ERot:PEAK {[:WA Veleng th ] | :FR EQuenc y | : WNUMb er | :P OWer{[:D BM ]|:WA TTs}} ? Arg ume nt Descr iptio n W AV ele ng th R etu rns th e peak wav e lengt h o f th e s elec ted mo des. FRE Que ncy R e turns[...]

  • Seite 194

    4-66 Progra mm ing Co mma nds CALCulate3 Subsystem FPE R ot: POW er ? Que ries t he t otal po wer data of the sel ected mod es . Syntax :C ALCula te3:FP ERot:POW er{[:DB M]|: WATTs}} ? Arg ument Des crip tion DB M R etu rns th e to tal p ow er in d Bm . W A T T s Re turn s the t ota l po w er in wa tts. Exam ple Q uery Response dBm ( DBM ) – 4.46[...]

  • Seite 195

    4-67 Programming Co mmands CALC ulat e3 Sub syst em FPE R ot: SIG Ma? Qu eri e s t h e si gm a d at a of th e s el ect e d m od es . Syntax :C ALCula te3:FP ERot:SIGM a{[:WA Vel ength] | :FREQ uency | :WNUMb er}? Arg ume nt Des crip tion W AV ele ng th R etu rns th e s igma wa vele ngt h o f th e s elec ted mo des. FRE Que ncy Re turn s the s ig ma[...]

  • Seite 196

    4-68 Progra mm ing Co mma nds CALCulate3 Subsystem PO INts? Que ries t he number of point s in the data set. Syntax :CALC ula te3:P OINts? Attribute Su mmary Preset State: unaffe cted by RS T State: unaffe cted by S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c Query Only De scri pti on The value retur ned is the number of point s[...]

  • Seite 197

    4-69 Programming Co mmands CALC ulat e3 Sub syst em SNR:AUTO Se lect s t he ref erence freq uency valu e f or mea suring nois e in t he sig- nal- t o- nois e calc ula tion . Syntax :CA LCu late3 :SNR:AUT O{? | { ON | OFF | 1 | 0} } Co ns tant Descr ipti on ON Selec ts i ntern ally gene rated re ferenc e frequ ency . OFF Selects user -enter ed refe [...]

  • Seite 198

    4-70 Progra mm ing Co mma nds CALCulate3 Subsystem SNR:REFeren ce:FREQuency Enter s a frequ ency that can be used fo r t he noise measurem en t ref er- ence in signa l - to- noise calc ulat ions . Syntax :CALCulate3:SNR:REFerence:FREQuency{?| {<real> | MIN imum | MAXimum}} <re al> i s a f r e q u e n c y v a l u e t h a t i s w i t h i [...]

  • Seite 199

    4-71 Programming Co mmands CALC ulat e3 Sub syst em SNR:REFeren c e[:WAVeleng th] S e t s t h e w a v e l e n g t h u s e d f o r t h e n o i s e m e a s u r e m e n t r e f e r e n c e i n t h e si gnal- to- noise ca lcu lation. Syntax :CALCula te3:SNR:REFerence[:WA Velength]{?| {< real> | MIN imum | MAXim um}} <re al> i s a w a v e l [...]

  • Seite 200

    4-72 Progra mm ing Co mma nds CALCulate3 Subsystem SNR:REFeren ce:WNUMber Se ts the wa ve numbe r used f or the noise m easu rement ref erence in the signal- to- n oise calculation. Syntax :CALCulate3:SNR:REFerence:WNUM ber{?| {<real> | M INim um | MAXimum}} <re al> i s a w a v e n u m b e r v a l u e t h a t i s w i t h i n t h e f o l[...]

  • Seite 201

    4-73 Programming Co mmands CALC ulat e3 Sub syst em SNR[:STATe] Turns the signal- t o- noi se cal culat ion on and off. Syntax :CA LCul ate3 :SNR[:ST ATe] {? | {ON | OFF | 1 | 0 }} Attribute Su mmary Preset State: off *RST State: off S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c Note Onl y on e STA T e c om mand can be tur ned o[...]

  • Seite 202

    4-74 Progra mm ing Co mma nds CON Fig ure Measu rement In struc t i on CONFigure Measurement Instruction F or informatio n on the CON Figure measureme nt instr uction, refer t o “Mea surement Instr uct ions” on page 4 - 15 .[...]

  • Seite 203

    4-75 Programming Co mmands DISP lay Subsy stem DISPlay Subsy stem The commands in this subsystem ha ve the fo l lo wi ng comm and hier ar- ch y: :D IS Pl ay :M AR K er : :MAXimum :LEFT :NEXT :PREVious :RIGHt [ :WINDo w] :GRAPhics :STATe[...]

  • Seite 204

    4-76 Progra mm ing Co mma nds DISPl ay Subsy stem MARKer: MAXimum S e t s t h e m a r k e r t o t h e l a s e r l i n e t h a t h a s t h e m a x i m u m p o w e r . Syntax :DISPlay :MARKe r:MAX imum Attribute Su mmary Preset S t a t e : m a r k e r s e t t o m a x i m u m -p o w e r l a s e r l i n e * R S T S t a t e : m a r k e r s e t t o m a x[...]

  • Seite 205

    4-77 Programming Co mmands DISP lay Subsy stem MARKer:MAXimum:NEXT Mo ves the marke r to the lase r line with t he next low er po wer le ve l. Syntax :DISPlay :MARKe r:MAX imum:N EXT Attribute Su mmary Preset S t a t e : m a r k e r s e t t o m a x i m u m -p o w e r l a s e r l i n e * R S T S t a t e : m a r k e r s e t t o m a x i m u m -p o w e[...]

  • Seite 206

    4-78 Progra mm ing Co mma nds DISPl ay Subsy stem MARKer: MAXimum:RIGHt Mo ves the mark e r rig ht to the next laser line . Syntax :DISPlay :MARKe r:MAXi mum:RIGHt Attribute Su mmary Preset S t a t e : m a r k e r s e t t o m a x i m u m -p o w e r l a s e r l i n e * R S T S t a t e : m a r k e r s e t t o m a x i m u m -p o w e r l a s e r l i n [...]

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    4-79 Programming Co mmands FETCh Me asuremen t Inst ructio n FETCh M easurement Instruction F o r i n f o r m a t i o n o n t h e F E T C h m e a s u r e m e n t i n s t r u c t i o n , refe r to “ M ea- su re me nt I ns tr uc ti ons ” o n pa g e 4 - 1 5 .[...]

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    4-80 Progra mm ing Co mma nds HCO Py S ubs ys tem HCO Py Subsy st em U s e t h e c o m m a n d i n t h i s s u b s y s t e m t o p r i n t t h e d i s p l a y e d m e a s u r e - m e n t r e s u l t s t o a p r i n t e r . T h i s s u b s y s t e m h a s t h e f o l l o w i n g c o m m a n d hierarchy: :H C OPy [:IMMediate] [:IMMedia te] P r i n t [...]

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    4-81 Programming Co mmands MEASur e Meas urement I nstruc tion MEASure Measurement I nstruct i on F or informatio n on the MEAS ure me asurement instr uction, refe r t o “Mea surement Instruct ions” on page 4- 15 .[...]

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    4-82 Progra mm ing Co mma nds RE AD Me as u rem en t In st ruc ti on R E A D M e a s u r e m e n t I n s t r u c t i o n F or information on the READ measurement instru ction, refer to “Mea- su re me nt I ns tr uc ti ons ” o n pa g e 4 - 1 5 .[...]

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    4-83 Programming Co mmands SENS e Subsystem SE NSe S ub syst em Us e the S E NSe c ommands to correct measur ement resul ts f or ele v at ion ab ov e sea lev el and to sele ct b etw een measur emen ts in ai r or vac uum. Y o u c a n a l s o e n t e r a n a m p l i t u d e o f f s e t . T h e c o m m a n d s i n t h i s s u b - syst em ha ve t he f [...]

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    4-84 Progra mm ing Co mma nds SEN Se Subsystem CORRection :DEVice Selec ts t he wavelen gth m ea sure men t a lg orith m. Syntax :SENSe:CORRection:[DEVice]{? | {NARRow | BROad}} Co ns tant Descr ipti on NA RR ow Se le ct s wa ve le ng th me as ur e ment s fo r na rr ow ba nd de vi ce s s uc h as D F B la ser s an d mo des of F P las e rs . BROa d S[...]

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    4-85 Programming Co mmands SENS e Subsystem COR Rec tion :ELEV ation S e t s t h e e l e v a t i o n v a l u e u s e d b y t h e i n s t r u m e n t t o c o m p e n s a t e f o r a i r disp ersi on. Syntax :S ENS e:C ORR ec ti on :EL EV at ion {?| {< inte ge r> | M INi mum | MAX imum }} <inte ger> is th e altitude i n m e ters. Co ns ta[...]

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    4-86 Progra mm ing Co mma nds SEN Se Subsystem CORRection:MED ium S e t s t h e A g i l e n t 8 6 1 2 0 C t o r e t u r n w a v e l e n g t h r e a d i n g s i n a v a c u u m o r standar d air . Syntax :SEN Se:COR Rection:M E Dium{ ?| {AIR | VA Cuum }} Arg ument Descr iption AIR Se lect s w a vele ng th valu e s in s tan d ard air . V A Cu um Se l[...]

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    4-87 Programming Co mmands SENS e Subsystem CORRection:OFF Set[:MAGNitude] E n t e r s a n o f f s e t f o r a m p l i t u d e v a l u e s . Syntax :SEN Se:COR Rect ion:OFFSe t:MA GNitu de{?| {< real> | MI Nimu m | MAX imum}} <re al> is the logarithmic unit s in dB. Co ns tant Descr ipti on MINimum − 40.0 dB MAXimum 4 0.0 dB Attribute[...]

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    4-88 Progra mm ing Co mma nds SEN Se Subsystem DATA? Q u e r i e s t h e t i m e d o m a i n s a m p l e s o f t h e i n p u t l a s e r l i n e . Syntax :SEN Se:DATA ? Attribute Su mmary Preset State: none S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c Query Only De script ion B e p r e p a r e d t o p r o c e s s a l a r g e a [...]

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    4-89 Programming Co mmands SENS e Subsystem Query R esponse The fol l o wing stri ng sho ws an examp le of t he first f e w m e asurem ents returne d by this quer y. +1. 513672 00 E+00 0,+ 1.5185 550 0E+000 ,+1.4 99 02300E +00 0,+1 .47949 20 0E+0 00, +1.5048 83 00E +00 0,+ 1.5332 030 0E+0 00,+1. 500 97700 E+00 0,+1 .47 26560 0E+0 00 ,+1.502 930 00E[...]

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    4-90 Progra mm ing Co mma nds STAT us Subsyst em STATus Subsystem Us e the command s i n this subsys tem to contr ol the Agilen t 8 612 0C’s status- repo rting s tructures. These structur es pro vide registers that you can us e to d et er mi n e if ce r t ai n event s h ave oc cu rr e d. The commands in this subsystem ha ve the fo l lo wi ng comm[...]

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    4-91 Programming Co mmands ST A T us Sub syst em {OPE Rati on | QUEStion a ble} :CON Ditio n? Queries the value of t he questio n able or operation condition registe r . Syntax :STA Tus:{O PERat ion | QUESt ionable}: CON Ditio n? Query R esponse 0 to 32 767 Attribute Su mmary Preset State: none *RST State: none SCPI Compli anc e: stand ard Query On[...]

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    4-92 Progra mm ing Co mma nds STAT us Subsyst em {OPERati on | QUEStionable}:ENAB le S e t s t h e e n a b l e m a s k f o r t h e q u e s t i o n a b l e o r o p e r a t i o n e v e n t r e g i s t e r . Syntax :STATu s:{O PERat ion | QUESt iona ble}:ENA Ble{? | <va lue>} <inte ger> an i nt ege r fr om 0 to 65 535. Attribute Su mmary P[...]

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    4-93 Programming Co mmands ST A T us Sub syst em {O PER a tio n | Q UE St io na ble }[ :EV EN t] Qu eri e s t h e co n te nt s o f t h e qu es t ion a ble o r op e rat ion eve nt re gi st er s. Syntax :STA Tus:{O PERat ion | QU EStiona ble}: EVENt? Query R esponse 0 to 32 767 Attribute Su mmary Preset State: none *RST State: none SCPI Compli anc e:[...]

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    4-94 Progra mm ing Co mma nds STAT us Subsyst em {OPERation | Q UEStionable}:NTRansition S e l e c t s b i t s i n t h e e v e n t r e g i s t e r w h i c h c a n b e s e t b y n e g a t i v e t r a n s i - t i o n s o f t h e c o r r e s p o n d i n g b i t s i n t h e c o n d i t i o n r e g i s t e r . Syntax :STA Tus:OP ERati on:N TRan sition{ [...]

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    4-95 Programming Co mmands ST A T us Sub syst em {OPERation | Q UEStionable}:PTRansition S e l e c t s b i t s i n t h e e v e n t r e g i s t e r w h i c h c a n b e s e t b y p o s i t i v e t r a n s i - t i o n s o f t h e c o r r e s p o n d i n g b i t s i n t h e c o n d i t i o n r e g i s t e r . Syntax :STA Tus:OP ERati on:PT Ransi tion{?[...]

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    4-96 Progra mm ing Co mma nds STAT us Subsyst em PR ESet P r e s e t s t h e e n a b l e r e g i s t e r s a n d t h e P T R a n s i t i o n a n d N T R a n s i t i o n f i l - ters. Syntax :STATu s:PR ESet Attribute Su mmary Preset State: none *RST State: none SCPI Compli anc e: stand ard Command Only De script ion T h e P R E S e t c o m m a n d [...]

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    4-97 Programming Co mmands SYS T em Subsy stem SYST em Subsystem The commands in this subsystem ha ve the fo l lo wi ng comm and hier ar- ch y: :SY STe m : ERRor? :H EL P :HEAD ers? :P R ESe t :V ER S io n?[...]

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    4-98 Progra mm ing Co mma nds SYS Tem Subsy stem ERRor Que ries an erro r from the e rror queu e. Syntax :SYSTem:ERRor? Attribute Su mmary Preset State: none *RST State: none SCPI Compli anc e: stand ard Query Only De script ion T h e A g i l e n t 8 6 1 2 0 C h a s a 3 0 e n t r y e r r o r q u e u e . T h e q u e u e i s a f i r s t - in , first-[...]

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    4-99 Programming Co mmands SYS T em Subsy stem HE LP: HEA De r s? Q u e r i e s a l i s t i n g o f a l l t h e r e m o t e p r o g r a m m i n g c o m m a n d s a v a i l a b l e f or the A gil en t 8612 0C. Syntax :SYST em:HELP: HEADers? Attribute Su mmary Preset State: none *RST State: none S C P I C o m p l i a n c e : i n s t r u m e n t s p e[...]

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    4-10 0 Progra mm ing Co mma nds SYS Tem Subsy stem PR ESet P e r f o r m s t h e e q u i v a l e n t o f p r e s s i n g t h e f r o n t -p a n e l PRESET k e y . Syntax :SYST em:PR ESet Attribute Su mmary Preset State: none *RST State: none SCPI Compli anc e: stand ard Command Only De script ion T h e i n s t r u m e n t s t a t e i s s e t a c c [...]

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    4- 101 Programming Co mmands SYS T em Subsy stem Meas urement spee d no rmal last s t at e Me asur ement b a ndwi dth na rro wband nar ro w ba nd Dr ift me as ur em en ts o ff o ff Fabry-Pe rot las er meas urements off off De lt a meas ureme n ts: ∆ power off o ff ∆ wav elength of f o ff ∆ wavele n gth and pow er off o ff re f er ence si gn a[...]

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    4-10 2 Progra mm ing Co mma nds SYS Tem Subsy stem VER Sio n Q u e r i e s t h e v e r s i o n o f S C P I t h a t t h e A g i l e n t 8 6 1 2 0 C c o m p l i e s w i t h . Syntax :SYST em:VERS ion Attribute Su mmary Preset State: none *RST State: none SCPI Compli anc e: stand ard Query Only De script ion The S CP I ve rs ion use d in t he A gile n[...]

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    4- 103 Programming Co mmands TRIG ger Subsy stem TRIGger Sub system The SCP I definition defines t he TRIGger subsystem t o in c lude ABORt, A R M , I N I T i a t e , a n d T R I G g e r c o m m a n d s . T h e A g i l e n t 8 6 1 2 0 C h a s n o AR M or TRI Gge r commands . The commands in this subsystem ha ve the fo l lo wi ng comm and hier ar- c[...]

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    ABO Rt Hal ts t he current measuremen t sequence and plac es the inst rument i n the idle state. Syntax :ABO Rt Attribute Su mmary Preset State: not aff ected SCPI Compli anc e: stand ard Command Only De script ion I f t h e i n s t r u m e n t i s c o n f i g u r e d f o r c o n t i n u o u s m e a s u r e m e n t s , a n e w me asu r em ent s equ[...]

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    4- 105 Programming Co mmands TRIG ger Subsy stem INI Tia te: CON Ti nu ou s Sel ects sing le or continuou s measure ment acquis ition. Syntax :INI Tiate:C ONT inuo us{? | {O N | O FF | 1 | 0}} Attribute Su mmary Non- se quentia l command Preset State: on *RST State: o ff SCPI Compli anc e: stand ard De script ion W h e n o n i s s p e c i f i e d ,[...]

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    4-10 6 Progra mm ing Co mma nds TR IGg e r Sub sy st em INIT iate [:IMMe diat e] Initia t es a new measurement sequence . Syntax :INI Tiate:I MMedia te Attribute Su mmary Non- se quentia l command Preset State: none SCPI Compli anc e: stand ard Command Only Non-sequen tial command Alw ays use an *OPC ? que ry or a *WAI com ma nd to ensu re th at th[...]

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    4- 107 Programming Co mmands UNIT Subsystem UNIT Subsystem T h e o n l y c o m m a n d p r o v i d e d i n t h i s s u b s y s t e m i s t h e P O W e r c o m m a n d a s s h o w n i n t h e f o l l o w i n g c o m m a n d h i e r a r c h y : :U NI T [:P O We r ] [:POWer] S e t s t h e p o w e r u n i t s t o w a t t s ( l i n e a r ) o r d B m ( l[...]

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    4-10 8 Progra mm ing Co mma nds UNIT Subsystem[...]

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    5 Te st 1. Absolu te W av elength Accuracy 5- 3 Tes t 2. Se ns it i v it y 5 - 4 T e s t 3 . P o l a r i z a t i o n D e p e n d e n c e 5 - 5 T e s t 4 . O p t i c a l I n p u t R e t u r n L o s s 5 -6 Te st 5. Amp l itude Accuracy and L inearit y 5- 9 Performanc e T ests[...]

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    5-2 Per fo rman ce Te sts Per for mance Tes t s Performance Tests The procedures in th is chapter test t he A gilen t 86120C’s per f ormance using the specif icatio ns listed in Chapter 6, “Specifications and Reg ul a- tory Inf ormation” a s t h e p e r f o r m a n c e s t a n d a r d . A l l o f t h e t e s t s a r e d o n e m a n u a l l y [...]

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    5- 3 Performance T e sts T est 1. Ab solu te W avelengt h Accur acy Test 1. Absolute Wavelength A ccuracy De scri pti on W a v e l e n g t h a c c u r a c y i s v e r i f i e d u s i n g t r a c e a b l e l i g h t s o u r c e s s u c h a s the fol lo win g d e vi ces : •S t a b l e l a s e r s • G as lamp s •H e N e g a s l a s e r s CAUT IO[...]

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    5-4 Per fo rman ce Te sts Test 2. Sens itivit y Te st 2. Se n sit iv it y De scri pti on Sensitivit y is verified u sing the follo wing devi ces: • O pt ical power mete r • Op tical attenua to r • 13 10 nm and 1 55 0 n m las er s ( >0 d Bm out pu t po we r) CAUT ION Do not excee d +18 dB m sou rce pow er . The A gilent 86120C ’ s input c[...]

  • Seite 241

    5- 5 Performance T e sts T est 3 . Polar izati on Depend ence Test 3. Polarizati on Dependence De scri pti on P olar izat ion Dep endenc e is ver ifi ed using the fol lo wing de vi ces: • 1 310 nm a nd 15 50 nm DFB la se rs • Op tical atten uator • Ag ilent 1189 6A po lari zati on c ontr olle r CAUT ION Do not excee d +18 d Bm sou rce pow er [...]

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    5-6 Per fo rman ce Te sts Test 4 . Opti cal I npu t Ret urn L oss Test 4. O ptica l Input R eturn Loss De scri pti on I n p u t r e t u r n l o s s i s v e r i f i e d u s i n g t h e f o l l o w i n g d e v i c e s : • Ag ilen t 81 53 A lig h twa ve m u ltim ete r • Ag ilent 81 553S M 1 550 n m Fa bry - Pe rot la ser, SM 9/12 5 µ m so ur ce m[...]

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    5- 7 Performance T e sts T e st 4. O pti cal I nput R eturn Lo ss and Re g ul at or y I n form at ion ” . Proced ur e O ption 02 2 instr ume nts (a ngled c ontacting c onnec tors) 1 T u r n t h e s o u r c e m o d u l e ’ s o u t p u t o f f . 2 Co nnec t a singl e- mode patc hcord b etween the sour ce module ’s optica l o u t p u t a n d t h[...]

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    5-8 Per fo rman ce Te sts Test 4 . Opti cal I npu t Ret urn L oss FC /APC pa t chc ord l os s The ef fect of hav i n g los s in t he FC/ A PC pa t chc ord 1 to 2 c o nnec tor pai r is to und er meas ur e th e re turn lo ss by twi ce th e FC / APC p atch c ord 1 to 2 los s. Fo r ex am ple , if th is c o n n e c t or p a i r l o s s is 0 . 5 d B , t [...]

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    5- 9 Performance T e sts T est 5. Amplit ude Ac curacy and Line arit y Test 5. Ampli tude Accuracy and Linear ity Equipment A m p l i t u d e l i n e a r i t y i s p e r f o r m e d u s i n g t h e f o l l o w i n g d e v i c e s : • 1 550 n m DFB la se rs • Op tical atten uator • Ag ilent 1189 6A po lari zati on c ontr olle r • O pt ical p[...]

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    5-10 Per fo rman ce Te sts Test 5 . Am plit ude Acc uracy and L ineari ty com plet ely fille d in . 10 D i s c o n n e c t t h e f i b e r -o p t i c c a b l e f r o m t h e o p t i c a l p o w e r m e t e r a n d c o n n e c t i t t o t h e A g i l e n t 8 6 1 2 0 C ’ s OPTICAL I NPU T con nector . 11 Set the optical attenuat o r for the value t[...]

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    5-11 Performance T e sts T est 5. Amplit ude Ac curacy and Line arit y Tabl e 5-21. Lin earity Data Va lues Desi red Powe r (dBm) Attenuator S etting Powe r Meter Read ing Ag ilen t 86 12 0C Power Reading Lineari ty 0 – 1 – 2 – 3 – 4 – 5 – 6 – 7 – 8 – 9 – 10 – 11 – 12 – 13 – 14 – 15 – 16 – 17 – 18 – 19 – 20[...]

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    [...]

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    6 Defini t ion of Te rms 6- 3 Speci fications—N ORMAL U pdate Mode 6- 5 Speci fications—F A ST Up date Mode 6- 8 Operating Sp ecifications 6- 11 Las er S afety I nfor ma ti on 6- 12 C o m p l i a n c e w i t h C a n a d i a n E M C R e q u i r e m e n t s 6 -1 3 Decl aration of Conf ormity 6- 14 Prod uc t O verv iew 6- 1 5 Specif icat ion s and[...]

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    6-2 Spe cif ic ati ons an d R egu la tory In for ma tion Spec ificatio ns a nd Regu latory Infor mati on Specifications and Reg ulatory Info rmat ion This chapter l ists specificatio n and characteristics of the instrument. The d is- tin c t ion betwe en these ter ms is des cri bed as follo ws: • Sp ecifi cations desc ribe warra nted perf orman c[...]

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    6- 3 Spe cif ic ati ons an d R egu la tory In for ma tion Definition of T erms Definition of Terms Wave length Range r efer s to th e allo wable w av elength ra nge of the o p tica l input sign al. Ab solu te ac cur acy indic ates th e m axi mum wa vele ngth er r or over t he al lowed envi ronm enta l co nditi ons. The wavel ength a ccur a cy i s b[...]

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    6-4 Spe cif ic ati ons an d R egu la tory In for ma tion Def in it ion of Te rm s of on e lase r lin e. Po lariz ation D epe ndenc e indic ates t he maxi mum dis play ed power v ari ati on as the po lariz ation of the input si gnal i s var ied. Di splay R esol utio n ind ic ates the m inim um incr eme nta l ch ang e in d isplay ed power . Sen s iti[...]

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    6- 5 Spe cif ic ati ons an d R egu la tory In for ma tion Spe cificatio ns — NO RMA L Update Mode Sp ec ific a tio n s— N OR MA L U p da te M od e Eac h lase r l ine i s as sumed t o hav e a line width (in c ludi ng modula tion sid e- bands) of less than 5 GHz. All s pe cifi catio ns a pp ly w hen th e i nstr ume nt is i n th e fo llow in g mo [...]

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    6-6 Spe cif ic ati ons an d R egu la tory In for ma tion Spec ificat ions — NORM AL Upd ate Mo de Am plit ude Ca libr ati on ac cura c y at calib r atio n wav ele n gths ± 0 .5 dB (at 131 0 a nd 1550 n m ± 30 nm) Flat ne ss, ± 30 nm from any wavel ength 1270 -160 0 n m (ch ara cter isti c) ± 0.2 dB 1270 -165 0 n m (ch ara cter isti c) ± 0.5 [...]

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    6- 7 Spe cif ic ati ons an d R egu la tory In for ma tion Spe cificatio ns — NO RMA L Update Mode Inpu t Re turn Los s Wit h s t rai g ht co nta ct con n ec tor s 3 5 dB Wi th an gled co nta ct conne cto rs (Op tion 0 2 2) 50 d B Me asu r em en t Cycl e Time Nor mal u pdate mode (ch aract eris ti c) 1.0 s (1 m eas urem ent-p er-se cond) Me asu re[...]

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    6-8 Spe cif ic ati ons an d R egu la tory In for ma tion Spec ificat ions — FAS T Update M ode Sp ec ific a tio n s— FA ST U pd a te Mo de Eac h lase r l ine i s as sumed t o hav e a line width (in c ludi ng modula tion sid e- bands) of less than 10 GHz. Al l spec ific ati on s ap ply w he n the ins tru ment i s in the fo ll owi ng modes: • F[...]

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    6- 9 Spe cif ic ati ons an d R egu la tory In for ma tion S pe cif ic a t ion s — FA S T U p d a t e M o de Am plit ude Ca libr ati on ac cura c y at calib r atio n wav ele n gths ± 0.5 dB (at 131 0 and 155 0 n m ± 30 nm) Flat ne ss, ± 30 nm from any wavel ength 1270 -160 0 n m (ch ara cter isti c) ± 0. 2 dB 1270 -165 0 n m (ch ara cter isti [...]

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    6-10 Spe cif ic ati ons an d R egu la tory In for ma tion Spec ificat ions — FAS T Update M ode Inpu t Re turn Los s With fla t contac ting conne ctors 35 dB With angl ed contacti ng connec tors (Option 022) 50 dB Me asu r em en t Cycl e Time Fast update m ode (charac teristic) 0.5 s (2 mea surements-per-second) Me asu rem en t App licat ion s Si[...]

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    6-11 Spe cif ic ati ons an d R egu la tory In for ma tion Ope r at in g Sp e cif i ca tio n s Op er at in g S p ec if ica ti on s Op erat in g Spe c ifica ti ons Use indoor Power: 70 W m ax Vo l tag e 100 / 115 / 230 / 2 40 V ~ Fre quency 5 0 / 60 Hz Altitude Up to 2000 m (~ 6 600 f t) Ope rat ing tem p eratu re 0 ° C to +5 5 ° C Max imum re lati[...]

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    6-12 Spe cif ic ati ons an d R egu la tory In for ma tion Laser Safety Informati on Laser S afety I nformati on The ligh t s our ces sp ecif ie d by this use r gu ide are cla ss ifie d acc or din g to IEC 6 0825-1 ( 2001). The ligh t sources comp ly wit h 21 CFR 1040.10 exce pt for de viation s pursua nt to Laser N otice N o. 50, da ted 2001 -July-[...]

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    6-13 Spe cif ic ati ons an d R egu la tory In for ma tion Compliance with Ca nadian EMC R equirements Co mpl ian ce w it h Can a d ian E M C Requir ements Th is ISM devi ce co mpli es wi th Can ad i an IC ES- 001 . Cet a ppareil ISM es t con forme à la no rme NMB- 001 du Cana da . Notic e for G erm any : N oise De clar ati on Acou stic No ise Em i[...]

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    6-14 Spe cif ic ati ons an d R egu la tory In for ma tion Decl aratio n of Co nform ity Declar ation of Conformi ty[...]

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    6-15 Spe cif ic ati ons an d R egu la tory In for ma tion Prod uct O verview Produc t Overview Fro nt view of in st r ument Rear view of ins trument[...]

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    6-16 Spe cif ic ati ons an d R egu la tory In for ma tion Pro d uc t Ov er vie w[...]

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    7 In st ru m en t Pres et Condi tions 7- 2 Menu Maps 7- 4 Erro r Messages 7-11 Fron t-Pan el Fib er -Op tic Ad apt ers 7-17 Pow er Cords 7- 18 Agil en t T ech no log ies Se r vice Offi ces 7 -18 Reference[...]

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    7-2 Refe re nce Refe re nce Refere nce Instrumen t Preset C onditions Table 5-22. Instr ument Pr eset Conditions (1 of 2) Ite m S etti ngs afte r Prese t Key Pr e ssed Se ttings after Powe r Turn ed On Displ ay mode single wavelength la st s tat e a Wa vele n gth r an ge lim iti ng o n las t st ate St art w ave len gt h 1 270 nm las t st ate Sto p [...]

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    7- 3 Refer ence Inst rument Pr eset C ondit i ons Dev ice ban dwid th nar rowb a nd las t st ate Dr ift me as ur em en ts o ff o ff Fabry-Pe rot las er meas urements off off De lt a meas ureme n ts: ∆ power off o ff ∆ wav elength of f o ff ∆ wavele n gth and pow er off o ff re f er ence si gn al pos iti on 127 0 nm 12 70 n m Sign al-to- noise[...]

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    7-4 Refe re nce Menu Ma ps Men u Map s Th is s ectio n prov ides menu maps for t he Agil ent 86 120C s oftk eys . The ma ps sh ow which softke ys ar e disp layed after pressi ng a front-pa nel key; t hey sh ow the relat ion- shi p betwee n sof tkey s . T he soft keys in the se maps are al ig ned v er tica lly ins tea d of hori zon tally as on the a[...]

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    7- 5 Refer ence Menu M aps Appl ’ s Menu[...]

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    7-6 Refe re nce Menu Ma ps Dis play Av g W L Menu Ther e is no me nu assoc iate d w it h this k ey . Measur ement Cont Me n u Ther e is no me nu assoc iate d w it h this k ey . Dis play List by Pow er Menu[...]

  • Seite 271

    7- 7 Refer ence Menu M aps Dis play List by WL Menu Del ta On Me nu[...]

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    7-8 Refe re nce Menu Ma ps Del ta Of f Me nu Dis play Peak WL and System Pres et Menus Measur ement Single Menu Ther e is no me nu assoc iate d w it h this k ey .[...]

  • Seite 273

    7- 9 Refer ence Menu M aps Sys tem Print Me nu[...]

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    7-10 Refe re nce Menu Ma ps Sys tem Setu p Me n u[...]

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    7-11 Refer ence Err or M ess a ge s Error M essag es In t hi s s e ct i o n , y o u ’ ll f ind all the error m essag es t hat the Agi lent 861 20C can d ispl ay on its sc re en. T able 5- 23 on page 7-1 1 lists a ll inst rum e nt- spec ific err ors . Ta b l e 5 - 2 4 o n page 7 -14 lists gen eral S CPI erro rs. Tabl e 5-23. I ns tr ument Speci fi[...]

  • Seite 276

    7-12 Refe re nce Error M essages 17 ROM BYT E UNERAS ED 18 ROM WRIT E OPER ATI ON FAIL ED 19 ROM DE FEC TI VE 20 ROM DAT A INVA LI D 21 ROM VERS ION IN COMPA T IBLE 22 ROM PO LLING LIM ITED OUT 2 3 I NP UT OU T OF RAN GE 24 BAD CAL ROM DATA 25 BAD CAL ROM DATA 26 BAD CAL ROM DATA 27 BAD CAL ROM DATA 28 BAD CAL ROM DATA 29 BAD CAL ROM DATA 30 NVSRAM[...]

  • Seite 277

    7-13 Refer ence Err or M ess a ge s 42 PRINTOUT WAS ABORTED 43 NOT ALLOWED IN F ABRY PEROT 44 NOT ALLOWED IN S /N 45 UNKNOWN KEYP RE SS 46 NUM LINES < NUM REFS 47 NUM LINES > NUM REFS 48 NO RE FEREN CE SI GNAL 49 G A IN RANGING ERRO R 50 INCOMPA TIBL E HARDWA RE 51 UNKNO W N E RROR Tabl e 5-23. I ns tr ument Speci fic Error Mes sages (3 of 3)[...]

  • Seite 278

    7-14 Refe re nce Error M essages Tabl e 5 -24 . G ene ra l SCP I Erro r Mess ag es (1 of 3) Error Number D e scription +0 “ No er rors ” – 10 0 “ C om mand err or (unkn own co mmand) “ – 10 1 “ I nva li d char act er “ – 10 2 “ S ynta x e rro r “ – 10 3 “ Invalid sepa rator “ – 10 4 “ D ata typ e error “ – 10 5 ?[...]

  • Seite 279

    7-15 Refer ence Err or M ess a ge s – 158 “ String d ata not allowed “ – 161 “ In va l id bl o c k da t a “ – 168 “ Block data n ot allowe d “ – 170 “ Expr ess i on er ro r “ – 171 “ Inv a li d exp r es sio n “ – 178 “ Expr ess ion dat a not all o wed “ – 200 “ Exec ution error “ – 211 “ Trig ger ig n o[...]

  • Seite 280

    7-16 Refe re nce Error M essages – 31 0 “ System error “ – 32 1 “ Out of mem ory ” – 35 0 “ T oo man y erro rs “ – 40 0 “ Query er ror “ – 41 0 “ Query INT ERRUPTED “ – 42 0 “ Query UN TERMIN ATED “ – 43 0 “ Query DEAD LOCKED “ – 44 0 “ Query U NTER MIN ATED af ter ind ef res p “ Query was unterm inat[...]

  • Seite 281

    7-17 Refer ence Fron t-Pa nel Fi ber-O ptic Adapt ers Front -Panel Fib er-Op tic Adapt ers Fro nt Pa nel Fibe r-Op tic Adapter Descript ion Agilent Part Number Di amo nd HMS -10 8100 0AI FC/P C a a. The F C/PC is the default fro nt-panel opti ca l connec tor. 81000F I D4 810 00 GI SC 81 000 KI D IN 81000 SI ST 8 100 0VI Bic onic 8 100 0WI Dus t Co [...]

  • Seite 282

    7-18 Refe re nce Power Cords Power Co rds Agilent Technolo gies Service Offices Plu g Typ e Cable P art No. C ountry 250V 8120-1351 United Ki ngdom, Cyprus, Ni geri a, Zimba bwe, Singa pore 250 V 81 20- 136 9 Aus tra lia , New Z eala nd, Ch i na 250V 812 0-16 89 Eas t and West Euro pe, S a udi A rabia, S o. Africa , Ind ia ( unp o lar ize d in many[...]

  • Seite 283

    7-19 Refer ence Agile nt T echnologie s Serv ice O f fic es Bef ore ret urning an i nstrum en t for servi ce, ca ll the Ag ilen t T echnol o g ies In strume nt Suppo rt Cen t er a t +1 ( 877) 447 7 27 8 , v isit th e T e st an d Me asu rem ent We b S ites by Cou ntry pa ge at http: // www .a gile nt.com/ c omms /techs uppo rt, sele ct yo ur cou ntr[...]

  • Seite 284

    [...]

  • Seite 285

    Index Index - 1 ASNR , 48 Num er i cs 1 n m a nnotation , 27 , 30 A ABORt progra mming com mand , 1 0 4 ABOR T softke y , 39 ac power ca bl es , 6 adapters, f iber optic , 17 addin g parameter s , 25 addres s. See GP IB addre ss Agil e nt T e chn olo g ie s o ffi ces , 18 air , m eas ure me nt s in , 3 7 AM mod ula tion , 15 , 34 am pli tud e offse[...]

  • Seite 286

    In de x-2 Ind e x *CLS , 21 , 3 CM – 1 sof tkey , 13 Cmd_op c subrou tine , 29 colon , 2 5 commands com binin g , 24 common , 23 meas uremen t in struc tion s , 23 no n seq u ent ial , 12, 2 9, 34, 35, 37, 3 8, 39 , 40, 4 1, 42, 43, 85, 105, 1 06 st andard SCPI , 23 ter min atio n , 27 common comma nds *CLS (c lear stat u s) , 3 *E SE (eve nt s t[...]

  • Seite 287

    Index - 3 Index increa s e s o urce accura cy , 41 mea sure DFB lase r , 30 mea sur e SN R , 39 meas ure W DM ch an nel drif t , 34 meas ure W DM ch annel sepa rati on , 37 meas ure W DM ch annel s , 32 exter nal attenuation , 3 6 F Fabry-Pero t l a sers , i ii, 9 mea surin g , 15, 31 fast four ie r tra nsfo rm , 29 FA ST s oft k ey , 14, 9, 8 8 FE[...]

  • Seite 288

    In de x-4 Ind e x spe cif ic a tion s , 11 line wi d th , 2 List b y Po wer men u map , 6 mo de , 9 sof tke y , 6, 23 List by W L key , 6 men u map , 7 mo de , 9 sof tke y , 6, 23 LOCAL soft key , 3 long fo rm co mma nds , 23 low e rc ase le tt ers , 24 M M annotation , 4 MA GN itud e p ro gra mm in g com man d , 87 MAX NU MB ER O F SIG NALS F OU N[...]

  • Seite 289

    Index - 5 Index O Off key , 20 men u map , 8 On key , 20 men u map , 7 *OPC , 29, 3, 7 OPTICAL I N PUT co nnector , iii, vi, 14 output queue , 22 , 27 P packa ging for sh ipmen t , 13 PARALLEL PRINTER PORT conn ector , 6, 39 paramete r s, a dding , 2 5 PEAK annotation , 4 sof tke y , 5, 28 peak definiti on of , 15 excu rsion , 9, 16 power , iii, 4 [...]

  • Seite 290

    In de x-6 Ind e x return lo ss , 4 , 7, 10 returning data , 27 for service , 11 RF m odul ation , 35 RIG HT progr amming co mm and , 78 *RS T , 3, 2 9, 8 S S/N AUTO annotation , 25 S/N soft ke y , 28 S/N USER annotati on , 25 sa fet y , v i, vii lase r c lassi fic at ion , v ii sym bo ls , iii sal es and serv i ce off ic es , 18 SCALa r programmin [...]

  • Seite 291

    Index - 7 Index unit s of me asu re , 12 UN IT S sof t key , 12 up- ar ro w sof tke y , 6 UPD A TE so ft key , 1 4 uppercase letters , 24 US ER so ft ke y , 2 8 US ER W L s oft k ey , 28 UW s oft ke y , 1 3 V VAC annotation , 37 V ACu um p ro gra mmin g c omm and , 86 VA CU UM s oft key , 9, 38 vac uum , m ea sur em en ts i n , 37 VER Sio n p ro gr[...]

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    [...]

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     Agile nt T e chno logi es Gm b H 200 4 Printed in Germ any August 2004 Second edition, A ugust 2004 8612 0-90 C 03 w ww .ag ilen t.com Ag ilen t T ech nolo gie s[...]