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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 19, Iss. 7 — Mar. 28, 2011
  • pp: 5942–5952

Observation of non-principal plane neutral points in the in-water upwelling polarized light field

Kenneth J. Voss, Arthur C. R. Gleason, Howard R. Gordon, George W. Kattawar, and Yu You  »View Author Affiliations

Optics Express, Vol. 19, Issue 7, pp. 5942-5952 (2011)

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Neutral points are specific directions in the light field where the three Stokes parameters Q, U, V, and thus the degree of polarization simultaneously go to zero. We have made the first measurement of non-principal-plane neutral points in the upwelling light field in natural waters. These neutral points are located at approximately 40°- 80° nadir angle and between 120° - 160° azimuth to the sun which is well off of the principal plane. Calculations show that the neutral point positions are very sensitive to the balance in the incident light between the partially polarized skylight and the direct solar beam.

© 2011 OSA

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(260.5430) Physical optics : Polarization
(010.4458) Atmospheric and oceanic optics : Oceanic scattering

ToC Category:
Atmospheric and Oceanic Optics

Original Manuscript: November 30, 2010
Revised Manuscript: February 18, 2011
Manuscript Accepted: March 8, 2011
Published: March 16, 2011

Virtual Issues
Vol. 6, Iss. 4 Virtual Journal for Biomedical Optics

Kenneth J. Voss, Arthur C. R. Gleason, Howard R. Gordon, George W. Kattawar, and Yu You, "Observation of non-principal plane neutral points in the in-water upwelling polarized light field," Opt. Express 19, 5942-5952 (2011)

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