Phase shifting in the spatial frequency domain

Roghayeh Yazdani; Sebastian Petsch; Hamid Reza Fallah; Morteza Hajimahmoodzadeh; Hans Zappe

doi:10.1117/1.OE.55.3.034104

15 March 2016 Phase shifting in the spatial frequency domain

Roghayeh Yazdani, Sebastian Petsch, Hamid Reza Fallah, Morteza Hajimahmoodzadeh, Hans Zappe

Author Affiliations +

Optical Engineering, Vol. 55, Issue 3, 034104 (March 2016). https://doi.org/10.1117/1.OE.55.3.034104

Abstract

We present a simple mathematical method for phase shifting that overcomes some phase shift errors and limitations of commonly used methods. The method is used to generate a sequence of phase-shifted interferograms from a single interferogram. The generated interferograms are employed to reconstruct the wavefront aberrations, as an application. The approach yields results with only very small deviations compared to both simulated wavefront aberrations, including the first 25 Zernike polynomials (0.05%) and those measured with a Shack-Hartmann sensor (0.5%).

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Roghayeh Yazdani, Sebastian Petsch, Hamid Reza Fallah, Morteza Hajimahmoodzadeh, and Hans Zappe "Phase shifting in the spatial frequency domain," Optical Engineering 55(3), 034104 (15 March 2016). https://doi.org/10.1117/1.OE.55.3.034104

Published: 15 March 2016

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