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22 May 2013 Vortex sensing analysis of radially and pseudo-radially polarized beams
Jeffrey A. Davis, Don M. Cottrell, Brandon C. Schoonover, Johnathan B. Cushing, Jorge Albero, Ignacio Moreno
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Optical Engineering, Vol. 52, Issue 5, 050502 (May 2013). https://doi.org/10.1117/1.OE.52.5.050502
Abstract
We present a simple method to check the exact realization of a radially polarized light beam by means of a vortex-sensing diffraction grating. The use of this grating easily allows the determination of the topological charges included in each of the two circular polarization components of the incident beam. Therefore a pure radially polarized beam can be easily distinguished from a pseudo-radially polarized beam. Experimental results are presented with radial beams generated with two different devices: a patterned radial polarizer and a specially designed liquid crystal device.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Jeffrey A. Davis, Don M. Cottrell, Brandon C. Schoonover, Johnathan B. Cushing, Jorge Albero, and Ignacio Moreno "Vortex sensing analysis of radially and pseudo-radially polarized beams," Optical Engineering 52(5), 050502 (22 May 2013). https://doi.org/10.1117/1.OE.52.5.050502
Published: 22 May 2013
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Cited by 11 scholarly publications.
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KEYWORDS
Polarization
Diffraction gratings
LCDs
Polarizers
Fourier transforms
Liquid crystals
Binary data
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