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18 November 1998 Optical design of the HIRDLS radiometer
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Abstract
HIRDLS is a space-borne instrument that will measure the concentration of certain trace gases in the Earth's atmosphere. This requires accurate spectro-radiometric infra red measurements of weak sources of small angular size in the presence of strong adjacent sources of unwanted radiation. The design of the principal optical system is described and the constraints are explained. In particular, the important stray- light problems will be described, including incoherent scatter, ghost reflections and diffraction effects.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Peter F. Gray, Ian A. Tosh, Martin E. Caldwell, and Tony Richards "Optical design of the HIRDLS radiometer", Proc. SPIE 3437, Infrared Spaceborne Remote Sensing VI, (18 November 1998); https://doi.org/10.1117/12.331314
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