An Effective Phase Unwrapping Algorithmfor Phase-stepping Interferometry

WEI Chunlong; BAI Jian; LIU Cheng; CHEN Mingyi; DING Zheng; Wang Zhijiang

Chinese Journal of Lasers B, 1997, 6 (5): 441, 网络出版: 2006-10-31

An Effective Phase Unwrapping Algorithmfor Phase-stepping Interferometry

WEI Chunlong ¹BAI Jian ²LIU Cheng ²CHEN Mingyi ³DING Zheng ³Wang Zhijiang ⁴

作者单位

¹ Department of Electronic Engineering, Shanghai University (Jiading Campus), Shanghai 201800

² State Key Laboratory of Modern Optical Instrumentations, Zhejiang University, Hangzhou 310027

³ Department of Mechanical Engineering, Shanghai University (Jiading Campus), Shanghai 201800

⁴ Shanghai Institute of Optics and Fine Mechanics, The Chinese Academy of Sciences, Shanghai 201800

phase-stepping interferometry phase unwrapping algorithm wrapped phase

摘要

Abstract

A new phase unwrapping algorithm for phase-stepping interferometry is proposed. It is based on checking the deviations of the phase shift from the nominal phase shift between two consecutive fringe patterns. The experiment indicates that the new algorithm is simple and effective.

PDF全文

WEI Chunlong, BAI Jian, LIU Cheng, CHEN Mingyi, DING Zheng, Wang Zhijiang. An Effective Phase Unwrapping Algorithmfor Phase-stepping Interferometry[J]. Chinese Journal of Lasers B, 1997, 6(5): 441. WEI Chunlong, BAI Jian, LIU Cheng, CHEN Mingyi, DING Zheng, Wang Zhijiang. An Effective Phase Unwrapping Algorithmfor Phase-stepping Interferometry[J]. 中国激光(英文版), 1997, 6(5): 441.

An Effective Phase Unwrapping Algorithmfor Phase-stepping Interferometry

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