25 September 2012 Polynomial fitting model for phase reconstruction: interferograms with high fringe density
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Abstract
A data fitting model is proposed to estimate phases from its cosine and sine. The a priori assumption is that the phases to be reconstructed should be expressed by polynomials. The cosine and sine of the phases are obtained from interferograms with high fringe density by generalized phase-shifting techniques The proposed method is employed for phase reconstrution by line integration of the phase gradient or any other phase-unwrapping technique and the fit is achieved by a least-squares minimization.
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Alejandro Téllez-Quiñones, Daniel Malacara-Doblado, Jorge García-Márquez, "Polynomial fitting model for phase reconstruction: interferograms with high fringe density", Proc. SPIE 8493, Interferometry XVI: Techniques and Analysis, 849319 (25 September 2012); doi: 10.1117/12.956500; https://doi.org/10.1117/12.956500
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