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Spectral polarization of clear and hazy coastal skies |
Applied Optics, Vol. 51, Issue 31, pp. 7499-7508 (2012)
http://dx.doi.org/10.1364/AO.51.007499
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Abstract
Linear polarization of the clear daytime sky has often been measured as a spectrally integrated or quasi-monochromatic variable, but seldom as a spectral one. So we use a hyperspectral imaging system to measure skylight polarization at high spectral and angular resolutions for clear and hazy skies at our coastal site. The resulting polarization maps and spectra exhibit both commonalities and differences that seem unexplained by an existing polarized radiative transfer model. Comparing the measured polarization spectra with those predicted by aerosol single scattering suggests some basic verisimilitude tests for improving such models.
© 2012 Optical Society of America
OCIS Codes
(010.1110) Atmospheric and oceanic optics : Aerosols
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.1310) Atmospheric and oceanic optics : Atmospheric scattering
(290.1310) Scattering : Atmospheric scattering
(290.5855) Scattering : Scattering, polarization
(010.7295) Atmospheric and oceanic optics : Visibility and imaging
ToC Category:
Scattering
History
Original Manuscript: July 2, 2012
Revised Manuscript: August 14, 2012
Manuscript Accepted: September 3, 2012
Published: October 23, 2012
Citation
Raymond L. Lee and Orlando R. Samudio, "Spectral polarization of clear and hazy coastal skies," Appl. Opt. 51, 7499-7508 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-31-7499
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