Polarized radiance distribution measurement of skylight II Experiment and data
- 20 November 1997
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 36 (33), 8753-8764
- https://doi.org/10.1364/ao.36.008753
Abstract
Measurements of the skylight polarized radiance distribution were performed at different measurement sites, atmospheric conditions, and three wavelengths with our newly developed Polarization Radiance Distribution Camera System (RADS-IIP), an analyzer-type Stokes polarimeter. Three Stokes parameters of skylight (I, Q, U), the degree of polarization, and the plane of polarization are presented in image format. The Arago point and neutral lines have been observed with RADS-IIP. Qualitatively, the dependence of the intensity and polarization data on wavelength, solar zenith angle, and surface albedo is in agreement with the results from computations based on a plane-parallel Rayleigh atmospheric model.Keywords
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