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Princeton LS 785 manual

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Table of contents for the manual

  • Page 1

    Ver. 1.2 15 Discovery Way, Acton, MA 01720 Phone: (978)263-3584, Fax: (978)263-5086 Web Site: www. piacton.com LS -785 High Throug hput Lens Spectro graph User Manual[...]

  • Page 2

    [...]

  • Page 3

    iii Table of Contents Chapter 1 -- General ...................................................................................................................................................5 Description ..................................................................................................................................................[...]

  • Page 4

    iv LS -785 H igh Throughput L ens Spectrograph U ser Ma nual This page intentionally left blank.[...]

  • Page 5

    5 Chapter 1 -- Gen eral Des cription The Acton LS- 785 i s an 85 mm focal length high th roug hput lens spectrograph specifica lly designed an d optimized for near infrared (NI R) appl ications. The sy stem feature s fast f/2 lense s for maxim um light gatherin g power and proprie tary anti-reflec tion coating s for exceptional th roughput from 750[...]

  • Page 6

    6 LS -785 High Throughpu t Lens Spect rograph User M anual Inside the LS - 785 Focus Adjustment Grating PIXIS CCD Detector Entrance Slit Shutter Collimating Lens X-Y Fiber Adapter Entrance Slit Adjustment Wavelength Adjustment Focusing Lens[...]

  • Page 7

    7 Chapter 2 -- Op eration Hardware Installati on Mounting the Detector to the LS-785: Optional adapter f langes are av ailable with this LS - 785 for the follow ing Princeto n I nstrument CCD detecto rs: 1. PIXIS w ith spectroscopy flange and wi thout shutter. 2. Spec 10 LN w/o shu tter 3. Spec 10 LN w/ in tegrated shutter Each detector ad apter fl[...]

  • Page 8

    8 LS -785 High Throughpu t Lens Spect rograph User M anual WinSpec Software I nstallation 1. Verify that the de tector (and cont roller) is conne cted to the com put er and that the detecto r is turned on. 2. Turn on your com put er. 3. If WinSpec/32 was purchased wit h the LS-785, install WinSpec/32 using the installation d isk and passwor d suppl[...]

  • Page 9

    Chapter 2 -- Operation 9 Manual Slit Width A djustment The slit width of th e bilateral slit assem bly is adjus table from 0.010 m il lim eters to 3 m illimeters (10 to 3,000 µm ) by a microm eter located on the top of the slit hou sing. The m icr ometer k nob is graduate d in 0.010 m illimeter (1 0 µm ) increments. Each clockwise rev olution of [...]

  • Page 10

    10 LS -785 High Throughpu t Lens Spect rograph User M anual Focus Adjustment When purchased w ith a Princeton I nst ruments CCD de tector, the LS- 785 is normally focu sed and aligned at the factory and shipped a s an integrat ed system ready to operate. I n this instance no further adjustments are requ ired. We do recomm end f ocus ad justments in[...]

  • Page 11

    Chapter 2 -- Operation 11 Grating Assembl y Interchange The LS-785 g rating assembly is initially alig ned at the fac tory and kinem atically m ounted in the instrum ent to enable easy interc hange without requiring realig nment. Note that if a gra ting is purchase d later, it wil l require alignment to the LS - 785 and instruct ions will be prov i[...]

  • Page 12

    12 LS -785 High Throughpu t Lens Spect rograph User M anual 10. Replace and se cure the LS -785 cover. P lace the prev iously rem oved grating assem bly in the storage container and secur e it using the knurled screw. Tighten the two capt ive screws to secure the gra ting assembly in the s torage con tainer and then replace the lid. 11. At this poi[...]

  • Page 13

    Chapter 2 -- Operation 13 Shutter Re pla cement The following instructions apply if the LS - 785 was shipped from the factory w ith an installed external shutter. Be cause a shutter has a finite lifetim e, i t may become necessary to replace a shutter. Tools: 9/64” hex wrench Procedure: 1. Remove any accessories attached to the entranc e slit. ?[...]

  • Page 14

    14 LS -785 High Throughpu t Lens Spect rograph User M anual X- Y Fiber Adapter The universal XY fiber adapter al lows an op tical fiber which is terminated in a 10m m ferrule, SMA con ne ctor or FC connector to be position ed horizontally and v ertical ly ov er a 5mm range in eac h direction to cor rectly posi tion the end of the f iber on the cent[...]

  • Page 15

    Chapter 2 -- Operation 15 Figure 2- 12 . X-Y Stage Adjus tment 5. Take a full im age while r unning the camera in F ocus mode. 6. Identify a suitable p eak (for example, Neon at 837.6 nm ). 7. Zoom in on the peak into a w indow approxim ately 25 pixe ls x 25 pixels. 8. Click on the Autosc ale button at the bottom of the window so th at only the br [...]

  • Page 16

    16 LS -785 High Throughpu t Lens Spect rograph User M anual This page intentionally left blank.[...]

  • Page 17

    17 Append ix A – Specifications Outline Drawing[...]

  • Page 18

    18 LS -785 High Throughpu t Lens Spect rograph User M anual Relative Wavelengt h Coverage with 12 00 g/mm Grating Laser (nm) Working range (cm-1)* Coverage (cm-1)** 785 120 - 3215 1985 805 120 - 2898 1884 830 120 - 2524 1768 *Lower working rang e for Ram an Spect roscopy app lications is ultim ately limited by the selection of the optional notch or[...]

  • Page 19

    19 Append ix B -- Mounting the Detector The following procedures are recom mended for m ounting detectors and t heir associa ted adapters to the LS- 7 85. Refer to the photog r aphs for add itional inform at ion. 1. Determine the det ector to be attac hed to the LS- 785. 2. Locate the corr ect adapter flang e or adapter f lange assem bly for the de[...]

  • Page 20

    20 LS -785 High Throughpu t Lens Spect rograph User M anual P IXIS Tools: 5/32 ” hex wrench 5/16” wrench Procedure: 1. If detector o ther than a PI XIS was previously m ounted t o the LS- 785, re-install th e four #8-32 socket head screws and wa shers us ed in the instrum ent housing to secu re the other adapt er. 2. If the spacer is no t insta[...]

  • Page 21

    Appendix B -- Mounting th e Detector 21 Spec 10 LN w ith Int egrated Shutte r Tools: 9/64” hex wrench 5/32” hex wrench Procedure: 1. Locate the Spec 10 LN detector wit h an internal shutter and its adapter flang e. 2. If another adap ter is mounted to the LS-785, remov e that adapter (an d, in the case of the PI XIS, the adapter and space r). 3[...]

  • Page 22

    22 LS -785 High Throughpu t Lens Spect rograph User M anual Spec 10 LN w ithout Sh utter Tools: 9/64” hex wrench fo r remov ing 4 screws with washers . 5/32” hex wrench fo r remov ing three socket heads hol ding spacer on. Procedure: 1. If another adap ter is mounted to the LS-785, remov e that adapter (an d, in the case of the PI XIS, the spac[...]