Optical design of the HIRDLS radiometer

Peter F. Gray; Ian A. Tosh; Martin E. Caldwell; Tony Richards

doi:10.1117/12.331314

18 November 1998 Optical design of the HIRDLS radiometer

Peter F. Gray, Ian A. Tosh, Martin E. Caldwell, Tony Richards

Proceedings Volume 3437, Infrared Spaceborne Remote Sensing VI; (1998) https://doi.org/10.1117/12.331314
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

Citation Download Citation

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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