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Brazilian Tunable Filter Imager (BTFI) Preliminary Design Review (PDR) ‏

Brazilian Tunable Filter Imager (BTFI) Preliminary Design Review (PDR) ‏. BTFI Opto -Mechanics (Rene Laporte ) Version 1.0. USP-IAG Universidade de São Paulo 18-19th June 2008. FP P. K 0. FP P = High Resolution. K 1. FP I = Low Resolution. IF P. F 1. F 1 – iBTF (VPHG 1 )

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Brazilian Tunable Filter Imager (BTFI) Preliminary Design Review (PDR) ‏

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  1. Brazilian Tunable Filter Imager(BTFI)Preliminary Design Review (PDR)‏ BTFI Opto-Mechanics (Rene Laporte) Version 1.0 USP-IAG Universidade de São Paulo 18-19th June 2008

  2. FPP K0 FPP = High Resolution K1 FPI = Low Resolution IFP F1 F1 – iBTF (VPHG1) simple rotation F2 F2 – iBTF (VPHG2) rotation + translation FPI E C IFI = Interference Filter - Image Plane IFI IFP = Interference Filter - Pupil Plane B A

  3. BTFI on SAM Detectors ISB iBTF SAM IFI wheel Space envelope

  4. SAM’s eye view SAM’s upper plate

  5. Detectors BTFI iBTF module Handling gear ISB SAM

  6. SAM @ SOAR HQ (La Serena)

  7. iBTF module (as built) z-stage VPHG1 • VPHG2 with • 40mm D-Gs • 2-by-2 mosaic

  8. iBTF – 3 axes motors (as built) • VPHG1 • Rotation only • VPHG1 • Rotation • Translation

  9. iBTF “prototype” @ LNA

  10. iBTF Grating mount(as built) D-G 2-by-2 mosaic (Ondax) on substrate Grating holder (individual) Grating mount (adjustable in roll)

  11. IFI “filter” wheel – remotely operable(for IFs, B-B filters & masks) 6-position (in beam) Filter exchange position

  12. IFI retraction & filterreplacement

  13. FPI exchange mechanism FPP module Rails FPI dummy

  14. IFP Filter wheel – remotely operable(for IFs & “Mexican” 4-way prism) IFs tilts up to <12 4 Ifs + Clear + “Mexican Hat”

  15. IFP filter wheel module Module hinged to allow for manual filter exchange Drive mechanism

  16. FPP exchange mechanism Rails FPP module FPP withdrawal mechanism (manual)

  17. FPP + IFP assembly

  18. IFP filter exchange

  19. CryoTiger dewar Detector electronics Detector head

  20. Flexure monitor system f/16.5 baffles f/16.5 beam Field lens Fibres from ISB calibration system Input focal surface (coincident with fibre outputs)

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