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Proceedings Paper

Optical design of the HIRDLS radiometer
Author(s): Peter F. Gray; Ian A. Tosh; Martin E. Caldwell; Tony Richards
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Paper 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.

Paper Details

Date Published: 18 November 1998
PDF: 12 pages
Proc. SPIE 3437, Infrared Spaceborne Remote Sensing VI, (18 November 1998); doi: 10.1117/12.331314
Show Author Affiliations
Peter F. Gray, Rutherford Appleton Lab. (United Kingdom)
Ian A. Tosh, Rutherford Appleton Lab. (United Kingdom)
Martin E. Caldwell, Rutherford Appleton Lab. (United Kingdom)
Tony Richards, Rutherford Appleton Lab. (United Kingdom)


Published in SPIE Proceedings Vol. 3437:
Infrared Spaceborne Remote Sensing VI
Marija Strojnik; Bjorn F. Andresen, Editor(s)

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