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1 December 1991 Stray light issues for background-limited infrared telescope operation
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Abstract
Analytical expressions for the photon radiance and its derivative in the spectral band from 400 to 700 microns are presented in a graphic form as a function of temperature for the cryogenic temperatures from 1 to 8 K. The temperature dependence of photon radiance and its derivative have been applied to a background-limited telescope to determine the temperature tolerances. It is concluded that the application of the background-limited telescope operation concept to the telescope operational requirements results in a reduction in the telescope temperature, i.e., an increase in temperatures for the most components, and a prolonged telescope facility lifetime.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Marija Scholl and James W. Scholl "Stray light issues for background-limited infrared telescope operation", Proc. SPIE 1540, Infrared Technology XVII, (1 December 1991); https://doi.org/10.1117/12.48788
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