12 July 2008 Cryogenic test results of engineering test unit optical components of the Near Infrared Camera for the James Webb Space Telescope
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Abstract
The Near InfraRed Camera (NIRCam) for the James Webb Space Telescope (JWST) is a refracting instrument. Its unique optical performance derives from the Lithium Fluoride, Barium Fluoride and Zinc Selenide lenses that provide aberration and color correction over the large operating wavelengths, 0.6-5 microns. This paper describes cryogenic test results of the mounted camera lenses in a flight-like configuration. These data, which evaluate the foundation for NIRCam optical performance, reveals design strengths and challenges. This is a follow-up paper from SPIE paper 590409 (1) which presented the initial camera lens design.
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Leigh A. Ryder, Leigh A. Ryder, } "Cryogenic test results of engineering test unit optical components of the Near Infrared Camera for the James Webb Space Telescope", Proc. SPIE 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter, 701010 (12 July 2008); doi: 10.1117/12.787709; https://doi.org/10.1117/12.787709
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