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Proceedings Paper

Exploring new polarimetric techniques using unconventionally polarized sources
Author(s): Brandon G. Zimmerman; Per Adamson; Thomas G. Brown; Jose Vanderlei Martins
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Paper Abstract

We explore how a class of unconventionally polarized beams can be applied to such problems as aerosol polarimetry. One such beam can be formed by the superposition of right and left circular-polarized beams combined in a Twyman-Green Interferometer, and adjusted with linear tilt. Such superposition results in a beam that repeatedly traverses the equator of the Poincaré sphere in one of the beams spatial dimensions, such that an image of light scattered from the beam can yield the phase function of the scatterers without temporal modulation of the input polarization. An equivalent, but more robust method, uses a specially designed Nomarski prism arrangement to introduce a known angular shear between right and left circularly polarized fields.

Paper Details

Date Published: 15 October 2012
PDF: 7 pages
Proc. SPIE 8515, Imaging Spectrometry XVII, 85150Q (15 October 2012); doi: 10.1117/12.928014
Show Author Affiliations
Brandon G. Zimmerman, The Institute of Optics, Univ. of Rochester (United States)
Per Adamson, The Institute of Optics, Univ. of Rochester (United States)
Thomas G. Brown, The Institute of Optics, Univ. of Rochester (United States)
Jose Vanderlei Martins, Univ. of Maryland, Baltimore County (United States)

Published in SPIE Proceedings Vol. 8515:
Imaging Spectrometry XVII
Sylvia S. Shen; Paul E. Lewis, Editor(s)

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