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Optics: Concept and Alignment

Optics: Concept and Alignment. R. Graue, D. Kampf Kayser-Threde. Optics Concept - Overview. Optical Layout unchanged compared to IIDR Optical analyses and documentation completed Alignment plan Straylight analyses Optical Performance analyses (Ray tracing, spot diagrams)

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Optics: Concept and Alignment

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  1. Optics: Concept and Alignment R. Graue, D. Kampf Kayser-Threde PACS FPU

  2. Optics Concept - Overview • Optical Layout unchanged compared to IIDR • Optical analyses and documentation completed • Alignment plan • Straylight analyses • Optical Performance analyses (Ray tracing, spot diagrams) • Mirror fabrication data package PACS FPU

  3. Alignment Tasks • Optical axis of telescope to FPU (alignment cubes/mirrors) • Top Optics with Calibration Sources and Chopper • Slicer optics • Spectrometer/Collimator optics with Grating Assembly Dummy, Dichroic, FW1, Ge:Ga Detectors • Bolometer optics with Dichroic, FW2 • Integration of bolometer assembly (CEA) PACS FPU

  4. Alignment PlanLaser Battery (AKF) at Telescope secondary mirror OB simulator Top Optics Laser battery PACS FPU

  5. Alignment PlanTop Optics at OB with alignment cube and mirror Internal aperture stop Top Optics side view Chopper PACS FPU

  6. Alignment PlanTop Optics without OB from rear Intermediate Focal plane PACS FPU

  7. Alignment PlanBolometer alignment Laser diode setup Pinholes at focal plane for laser OR LED‘s PACS FPU

  8. Alignment PlanBolometer alignment jig for filter wheel and focal planes PACS FPU

  9. Alignment PlanSlicer alignment together with Top Optics Focal Plane PACS FPU

  10. Alignment PlanCollimator Alignment Laser & LED Source PACS FPU

  11. Alignment procedure (first page only) PACS FPU

  12. Autocollimation of Alignment Tool PACS FPU

  13. Top Optics Centered PACS FPU

  14. Final Alignment PACS FPU

  15. Laser test set up PACS FPU

  16. Top Optic Set Up PACS FPU

  17. Top Optics Alignment Set Up PACS FPU

  18. Top Optics Alignment Set Up PACS FPU

  19. Alignment PACS FPU

  20. OGSE Overview Status • OGSE design and procurement nearly completed (Spectrometer: until end of Nov 2003) Procured OGSE Items • Autocollimation telescope • Optical mounts • 4 x CCD array with optics • PC with framegrabber • 2 x alignment telescope • 10 x HeNe Laser and laser diodes • Set of pinholes with LED's (point sources) • Support structure for pinholes • Masks for mirrors (plexiglas with 3 point orientation to the front surface) • Scatter-plates • Lateral translation stages • 2 x Rotary table • Alignment mirrors during alignment (temporary) • Alignment mirrors for FPFPU alignment • Pentaprism PACS FPU

  21. Alignment Status • Updated Alignment plan issued • Alignment procedure engineering completed • Top Optic Alignment under progress (until mid of Nov.2003) • Chopper, Calibration Sources, Alignment Cubes aligned • Top Optics Stability test under Helium temperatures in KT Cryostat after Top Optic alignment • Slicer, Collimator, Bolometer, Spectrometer alignment until X-mas 2003 PACS FPU

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