Application of the S-transform to the phase-shift extraction in phase shifting interferometry

Bartosz Zielinski; Krzysztof Patorski

doi:10.1117/12.882568

14 December 2010 Application of the S-transform to the phase-shift extraction in phase shifting interferometry

Bartosz Zielinski, Krzysztof Patorski

Proceedings Volume 7746, 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 77460J (2010) https://doi.org/10.1117/12.882568
Event: 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2010, Liptovsky Jan, Slovakia

Abstract

A new method of determining arbitrary phase shifts in Phase Shifting Interferometry (PSI) is presented. The method uses a unique property of Localized Cross Spectral Analysis (LCSA) that constitutes a part of the Stransform to estimate the unknown parameter. The computed phase shifts are then used as an input to the generalized PSI algorithm to obtain accurate phase distribution information. The effectiveness of this method is then verified by means of computer simulations and experimentally acquired data.

Citation Download Citation

Bartosz Zielinski and Krzysztof Patorski "Application of the S-transform to the phase-shift extraction in phase shifting interferometry", Proc. SPIE 7746, 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 77460J (14 December 2010); https://doi.org/10.1117/12.882568

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