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Proceedings Paper

Simple polarization phase shifting for scatterplate interferometry
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Paper 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.

Paper Details

Date Published: 30 May 2003
PDF: 6 pages
Proc. SPIE 5144, Optical Measurement Systems for Industrial Inspection III, (30 May 2003); doi: 10.1117/12.500009
Show Author Affiliations
Krzysztof Patorski, Warsaw Univ. of Technology (Poland)
Leszek A. Salbut, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 5144:
Optical Measurement Systems for Industrial Inspection III
Wolfgang Osten; Malgorzata Kujawinska; Katherine Creath, Editor(s)

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