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Proceedings Paper

Infrared polarization in the natural Earth environment
Author(s): Joseph A. Shaw
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Paper Abstract

This paper provides a summary of research undertaken to quantify the degree of polarization that occurs in thermal infrared radiance in the natural Earth environment. Water surfaces provide one of the only significantly polarized natural sources of thermal infrared radiation, while emission from the atmosphere and ground is almost always unpolarized to any practical degree. However, the actual degree of polarization from water depends upon a balance of orthogonally polarized emission and background reflection terms, weighted by atmospheric transmittance. This summary describes computer simulations of polarized radiance from water viewed in a realistic atmosphere and a comparison of the model with measurements of the spectral degree of thermal infrared polarization for water.

Paper Details

Date Published: 25 September 2002
PDF: 10 pages
Proc. SPIE 4819, Polarization Measurement, Analysis, and Applications V, (25 September 2002);
Show Author Affiliations
Joseph A. Shaw, Montana State Univ. (United States)

Published in SPIE Proceedings Vol. 4819:
Polarization Measurement, Analysis, and Applications V
Dennis H. Goldstein; David B. Chenault, Editor(s)

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