Exploring new polarimetric techniques using unconventionally polarized sources

Brandon G. Zimmerman; Per Adamson; Thomas G. Brown; Jose Vanderlei Martins

doi:10.1117/12.928014

15 October 2012 Exploring new polarimetric techniques using unconventionally polarized sources

Brandon G. Zimmerman, Per Adamson, Thomas G. Brown, Jose Vanderlei Martins

Proceedings Volume 8515, Imaging Spectrometry XVII; 85150Q (2012) https://doi.org/10.1117/12.928014
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

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.

Citation Download Citation

Brandon G. Zimmerman, Per Adamson, Thomas G. Brown, and Jose Vanderlei Martins "Exploring new polarimetric techniques using unconventionally polarized sources", Proc. SPIE 8515, Imaging Spectrometry XVII, 85150Q (15 October 2012); https://doi.org/10.1117/12.928014

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