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30 May 2003 Simple polarization phase shifting for scatterplate interferometry
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Abstract
Simple polarized light implementation of the phase shifting method for analyzing fringe patterns formed in Burch's common-path scatterplate interferometer has been proposed. The systems employs circularly polarized beam at the input end, a quarter wave plate to change the rotation direction of circular polarization of the reference beam, and a rotating analyzer placed in two counter-rotating circular polarization beams at the output of the interferometer. The simplicity of our approach is proved theoretically and experimentally. Problems related to non-ideal light modulation at the interferometer output and the ways to overcome them are discussed.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Krzysztof Patorski and Leszek A. Salbut "Simple polarization phase shifting for scatterplate interferometry", Proc. SPIE 5144, Optical Measurement Systems for Industrial Inspection III, (30 May 2003); https://doi.org/10.1117/12.500009
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