Straightforward filtering to phase demodulation by a Fourier normalized-fringe approach

Rigoberto Juarez-Salazar; Carlos Robledo-Sanchez; Cruz Meneses-Fabian; Gustavo Rodriguez-Zurita; Fermin Guerrero-Sanchez; Jorge Gonzalez-Garcia

doi:10.1117/12.2026108

18 November 2013 Straightforward filtering to phase demodulation by a Fourier normalized-fringe approach

Rigoberto Juarez-Salazar, Carlos Robledo-Sanchez, Cruz Meneses-Fabian, Gustavo Rodriguez-Zurita, Fermin Guerrero-Sanchez, Jorge Gonzalez-Garcia

Author Affiliations +

Proceedings Volume 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications; 878543 (2013) https://doi.org/10.1117/12.2026108
Event: 8th Ibero American Optics Meeting/11th Latin American Meeting on Optics, Lasers, and Applications, 2013, Porto, Portugal

Abstract

The fringe-pattern normalization method by parameter estimation is used to relieve the critical filter's requirements in the Fourier transform method for phase demodulation. By the normalization procedure, the zero order spectrum is suppressed allowing a straightforward filtering in the Fourier transform method. Thus, the filtering procedure is carried out by the simple half-plane filter. The benefits of this Fourier normalized-fringe analysis scheme are tested by both computer simulation and optical experiments.

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Rigoberto Juarez-Salazar, Carlos Robledo-Sanchez, Cruz Meneses-Fabian, Gustavo Rodriguez-Zurita, Fermin Guerrero-Sanchez, and Jorge Gonzalez-Garcia "Straightforward filtering to phase demodulation by a Fourier normalized-fringe approach", Proc. SPIE 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications, 878543 (18 November 2013); https://doi.org/10.1117/12.2026108

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