Phase-Shift Extraction and Wavefront Reconstruction in Generalized Phase-Shifting Interferometry with a Standard Phase Object

A method to extract phase shifts and reconstruct the object wave in generalized phase-shifting interferometry (GPSI) is proposed. The phase distribution of a standard phase object and the least-square method are used to extract phase shitts over a wide range from 0 to [pi]. Consequently, the tested...

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Veröffentlicht in:	Chinese physics letters 2013-09, Vol.30 (9), p.94205-1-094205-4
Hauptverfasser:	Li, Jie, Wang, Yu-Rong, Meng, Xiang-Feng, Yang, Xiu-Lun, Wang, Qing-Pu
Format:	Artikel
Sprache:	eng
Schlagworte:	Feasibility Interferometry Least squares method Phase distribution Phase objects Phase shift Wave fronts
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creator	Li, Jie Wang, Yu-Rong Meng, Xiang-Feng Yang, Xiu-Lun Wang, Qing-Pu
description	A method to extract phase shifts and reconstruct the object wave in generalized phase-shifting interferometry (GPSI) is proposed. The phase distribution of a standard phase object and the least-square method are used to extract phase shitts over a wide range from 0 to [pi]. Consequently, the tested object wave can be further reconstructed with the extracted phase shifts. It is accurate and applicable for GPSI of any frame number N (N > or = 2). Computer simulation has verified its feasibility and validity.
doi_str_mv	10.1088/0256-307X/30/9/094205
format	Article
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source	IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link
subjects	Feasibility Interferometry Least squares method Phase distribution Phase objects Phase shift Wave fronts
title	Phase-Shift Extraction and Wavefront Reconstruction in Generalized Phase-Shifting Interferometry with a Standard Phase Object
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