25 February 2014 Mapping of all polarization-singularity C-point morphologies
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Proceedings Volume 8999, Complex Light and Optical Forces VIII; 89990I (2014) https://doi.org/10.1117/12.2038947
Event: SPIE OPTO, 2014, San Francisco, California, United States
Abstract
We present theoretical descriptions and measurements of optical beams carrying isolated polarization-singularity C-points. Our analysis covers all types of C-points, including asymmetric lemons, stars and monstars. They are formed by the superposition of a circularly polarized mode carrying an optical vortex and a fundamental Gaussian mode in the opposite state of polarization. The type of C-point can be controlled experimentally by varying two parameters controlling the asymmetry of the optical vortex. This was implemented via a superposition of modes with singly charged optical vortices of opposite sign, and varying the relative amplitude and phase. The results are in excellent agreement with the predictions.
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E. J. Galvez, B. L. Rojec, K. Beach, "Mapping of all polarization-singularity C-point morphologies", Proc. SPIE 8999, Complex Light and Optical Forces VIII, 89990I (25 February 2014); doi: 10.1117/12.2038947; https://doi.org/10.1117/12.2038947
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