Infrared polarization in the natural Earth environment

Joseph A. Shaw

doi:10.1117/12.456604

25 September 2002 Infrared polarization in the natural Earth environment

Joseph A. Shaw

Proceedings Volume 4819, Polarization Measurement, Analysis, and Applications V; (2002) https://doi.org/10.1117/12.456604
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

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.

Citation Download Citation

Joseph A. Shaw "Infrared polarization in the natural Earth environment", Proc. SPIE 4819, Polarization Measurement, Analysis, and Applications V, (25 September 2002); https://doi.org/10.1117/12.456604

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