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, Yu You

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)5942-5952
Number of pages11
JournalOptics Express
Volume19
Issue number7
DOIs
StatePublished - Mar 28 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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