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6 July 2018 Optomechanical modeling of the optical telescope element and integrated science instrument module (OTIS) cryo-vacuum test for the James Webb Space Telescope (JWST)
Ryan Irvin, Scott O. Rohrbach, Lenward Seals, Dennis L. Skelton
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Proceedings Volume 10698, Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave; 1069806 (2018) https://doi.org/10.1117/12.2314487
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States
Abstract
This paper describes the construction and application of an integrated optomechanical raytrace model used for optical analysis support of the OTIS cryo-vacuum test of the James Webb Space Telescope (JWST) test campaign. OTIS is the Optical Telescope Element (OTE) and Integrated Science Instrument Module (ISIM). Four specific applications are described – 1) simulation of ambient over-lighting conditions from clean room luminaires and photogrammetry flashes, 2) PSF image motion predictions in the presence of auto-collimating flat (ACF) actuation, 3) science instrument field illumination (“shadowgrams”) checking for unexpected vignetting, and 4) pupil alignment simulations of the Near Infrared Imager and Slitless Spectrograph (NIRISS).
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Ryan Irvin, Scott O. Rohrbach, Lenward Seals, and Dennis L. Skelton "Optomechanical modeling of the optical telescope element and integrated science instrument module (OTIS) cryo-vacuum test for the James Webb Space Telescope (JWST)", Proc. SPIE 10698, Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave, 1069806 (6 July 2018); https://doi.org/10.1117/12.2314487
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KEYWORDS
James Webb Space Telescope
Point spread functions
Solid modeling
Instrument modeling
Optical design software
Ray tracing
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