How clear-sky polarization varies with wavelength in the visible-NIR

Nathan J. Pust; Joseph A. Shaw

doi:10.1117/12.2024868

7 October 2013 How clear-sky polarization varies with wavelength in the visible-NIR

Nathan J. Pust, Joseph A. Shaw

Author Affiliations +

Proceedings Volume 8873, Polarization Science and Remote Sensing VI; 88730D (2013) https://doi.org/10.1117/12.2024868
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

Because of the increasing variety of applications for polarization imaging and sensing, there is a growing need for information about polarization phenomenology in the natural environment, including the spectral distribution of polarization in the atmosphere. A computer model that has been validated in comparisons with measurements from our all-sky polarization imager has been used here to simulate the spectrum of clear-sky polarization at a many locations around the world, with a wide variety of underlying surface-reflectance and aerosol conditions. This study of the skylight polarization spectral variability shows that there is no simple spectrum that can be assumed or predicted without knowledge of the atmospheric aerosol properties and underlying surface reflectance.

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Nathan J. Pust and Joseph A. Shaw "How clear-sky polarization varies with wavelength in the visible-NIR", Proc. SPIE 8873, Polarization Science and Remote Sensing VI, 88730D (7 October 2013); https://doi.org/10.1117/12.2024868

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