4 May 2012 Generation of arbitrary spatially variant polarized fields using computer generated holograms
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Abstract
Recently, the development of optical setups capable of generating beams with arbitrary polarization have attracted broad interest. One possible way to implement such devices is by taking advantage of the properties of liquid crystal spatial light modulators, which act as optical phase retarders controlled by computer. In this communication we present the design of an alternative experimental setup for the generation of light beams with arbitrary spatially-variant polarization distribution. The objective is to develop a flexible optical device capable of dynamically encode any elliptical polarization state in each point of the wavefront. Our approach is based on a Mach-Zehnder setup combined with a translucent modulator in each path of the interferometer. The transverse beam components of the incident light beam are processed independently, and modified by means of their respective modulator displaying a specifically tailored computer generated phase hologram.
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Artur Carnicer, Ignasi Juvells, David Maluenda, Rosario Martinez-Herrero, Pedro M. Mejías, Fabian Schaschek, "Generation of arbitrary spatially variant polarized fields using computer generated holograms", Proc. SPIE 8429, Optical Modelling and Design II, 84290Y (4 May 2012); doi: 10.1117/12.921802; https://doi.org/10.1117/12.921802
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