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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 9 — Mar. 20, 1998
  • pp: 1465–1476

Digital imaging of clear-sky polarization

Raymond L. Lee, Jr.  »View Author Affiliations


Applied Optics, Vol. 37, Issue 9, pp. 1465-1476 (1998)
http://dx.doi.org/10.1364/AO.37.001465


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Abstract

If digital images of clear daytime or twilight skies are acquired through a linear polarizing filter, they can be combined to produce high-resolution maps of skylight polarization. Here polarization P and normalized Stokes parameter Q are measured near sunset at one inland and two coastal sites. Maps that include the principal plane consistently show that the familiar Arago and Babinet neutral points are part of broader areas in which skylight polarization is often indistinguishably different from zero. A simple multiple-scattering model helps explain some of these polarization patterns.

© 1998 Optical Society of America

OCIS Codes
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(100.2000) Image processing : Digital image processing
(260.5430) Physical optics : Polarization
(290.4210) Scattering : Multiple scattering

History
Original Manuscript: May 22, 1997
Revised Manuscript: August 11, 1997
Published: March 20, 1998

Citation
Raymond L. Lee, "Digital imaging of clear-sky polarization," Appl. Opt. 37, 1465-1476 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-9-1465

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