Phase-shifting with translation ruling in common-path interferometer: characterization and experimental results

Cruz Meneses-Fabian; Gustavo Rodriguez-Zurita; Víctor Arrizón; Jose F. Vazquez-Castillo

doi:10.1117/12.674598

10 February 2006 Phase-shifting with translation ruling in common-path interferometer: characterization and experimental results

Cruz Meneses-Fabian, Gustavo Rodriguez-Zurita, Víctor Arrizón, Jose F. Vazquez-Castillo

Author Affiliations +

Proceedings Volume 6046, Fifth Symposium Optics in Industry; 60461T (2006) https://doi.org/10.1117/12.674598
Event: Fifth Symposium Optics in Industry, 2005, Santiago De Queretaro, Mexico

Abstract

An experimental setup for phase extraction of two-dimensional phase distributions is presented. The system uses a common-path interferometer consisting of two windows in the input plane and a translating grating as its pupil. In the output, interference of the fields associated with replicated windows is achieved by a proper choice of the windows spacing with respect to the grating period. Because in this type of grating interferometer a grating is placed as a spatial filter, the phase changes which are needed for phase-shifting interferometry can be easily performed with translations of the grating driven by a linear actuator. Some experimental results are shown.

Citation Download Citation

Cruz Meneses-Fabian, Gustavo Rodriguez-Zurita, Víctor Arrizón, and Jose F. Vazquez-Castillo "Phase-shifting with translation ruling in common-path interferometer: characterization and experimental results", Proc. SPIE 6046, Fifth Symposium Optics in Industry, 60461T (10 February 2006); https://doi.org/10.1117/12.674598

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