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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 34 — Dec. 1, 2008
  • pp: H1–H10

Spatiotemporal change of sky polarization during the total solar eclipse on 29 March 2006 in Turkey: polarization patterns of the eclipsed sky observed by full-sky imaging polarimetry

Brigitta Sipoćz, Ramón Hegedüs, György Kriska, and Gábor Horváth  »View Author Affiliations


Applied Optics, Vol. 47, Issue 34, pp. H1-H10 (2008)
http://dx.doi.org/10.1364/AO.47.0000H1


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Abstract

Using 180° field-of-view (full-sky) imaging polarimetry, we measured the spatiotemporal change of the polarization of skylight during the total solar eclipse on 29 March 2006 in Turkey. We present our observations here on the temporal variation of the celestial patterns of the degree p and angle α of linear polarization of the eclipsed sky measured in the red ( 650   nm ) , green ( 550   nm ) , and blue ( 450   nm ) parts of the spectrum. We also report on the temporal and spectral change of the positions of neutral (unpolarized, p = 0 ) points, and points with local minima or maxima of p of the eclipsed sky. Our results are compared with the observations performed by the same polarimetric technique during the total solar eclipse on 11 August 1999 in Hungary. Practically the same characteristics of celestial polarization were encountered during both eclipses. This shows that the observed polarization phenomena of the eclipsed sky may be general.

© 2008 Optical Society of America

OCIS Codes
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(110.2960) Imaging systems : Image analysis
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(280.1310) Remote sensing and sensors : Atmospheric scattering

History
Original Manuscript: September 20, 2007
Revised Manuscript: November 30, 2007
Manuscript Accepted: December 3, 2007
Published: May 30, 2008

Citation
Brigitta Sipoćz, Ramón Hegedüs, György Kriska, and Gábor Horváth, "Spatiotemporal change of sky polarization during the total solar eclipse on 29 March 2006 in Turkey: polarization patterns of the eclipsed sky observed by full-sky imaging polarimetry," Appl. Opt. 47, H1-H10 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-34-H1


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