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Solar Occultation Imager Optics System Description

Detailed system description of the Solar Occultation Imager Optics by Cathy Marx and Dennis Evans on 2 August 2002. Includes specifications, telescope details, status, and ZEMAX Tech Support information.

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Solar Occultation Imager Optics System Description

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  1. Earth AtmosphereSolar-Occultation Imager Optics Cathy Marx [Dennis Evans] 2 August 2002

  2. General System Description • Main Pupil • Radius = 4400 mm • should be increased to 4425 to illuminate outer 25 mm • need to rescale Px dimensions • Individual Telescopes • Afocal, dual paraboloid • Primary • Aperture = 425 mm radius • Vertex Radius = -2631.578947 mm • Secondary • Aperture = 24 mm radius (to 30 to shadow Fold 1) • Vertex Radius = -131.578947 mm • Intervertex Distance • 1250 mm

  3. Status • Delay Lines • Being located so they don’t exceed boom length • Being located on opposite sides of centerline to avoid interference • This may increase the size of the combiner significantly • Collector Spacing • Even dimension spacing causes excess flux in “wings” of PSF interferogram • ZEMAX Tech Support • PLEN (Path Length) misses surface problem in Merit Function Editor

  4. X-fan Layout

  5. Viewing Aft

  6. X-fan Layout; Telescope 1 at X= -4000 mm

  7. X-fan Layout; Telescope 1 at X= -0 mmCombiner is at X= 1000 mm

  8. One (center) Telescope Image Interferogram

  9. Five Telescope Image Interferogram

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