Simple polarization phase-stepping scatterplate interferometry

Krzysztof Patorski; Leszek A. Salbut

doi:10.1117/1.1634592

Abstract

A simple polarized-light-based phase shifting method for analyzing fringe patterns formed in Burch's common-path scatterplate interferometer is proposed. The system employs circularly polarized beam at the input, a small quarter-wave plate acting on the reference beam only, and a rotating analyzer in two orthogonal circular polarization beams at the output of the interferometer. The simplicity of our approach is proved theoretically and experimentally. Problems related to nonideal light modulation at the output and the ways to overcome them are discussed.

Citation Download Citation

Krzysztof Patorski, Leszek A. Salbut, "Simple polarization phase-stepping scatterplate interferometry," Optical Engineering 43(2), (1 February 2004). https://doi.org/10.1117/1.1634592 . Submission:

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