Application of the S-transform to the phase-shift extraction in phase shifting interferometry

被引：1
|
作者：
Zielinski, Bartosz [1 ]
Patorski, Krzysztof [1 ]
机构：
[1] Warsaw Univ Technol, Inst Micromech & Photon, PL-02525 Warsaw, Poland
来源：
17TH SLOVAK-CZECH-POLISH OPTICAL CONFERENCE ON WAVE AND QUANTUM ASPECTS OF CONTEMPORARY OPTICS | 2010年 / 7746卷
关键词：
Phase-shifting interferometry; S-transform; Arbitrary phase shifts; ITERATIVE ALGORITHM;
D O I：
10.1117/12.882568
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new method of determining arbitrary phase shifts in Phase Shifting Interferometry (PSI) is presented. The method uses a unique property of Localized Cross Spectral Analysis (LCSA) that constitutes a part of the S-transform to estimate the unknown parameter. The computed phase shifts are then used as an input to the generalized PSI algorithm to obtain accurate phase distribution information. The effectiveness of this method is then verified by means of computer simulations and experimentally acquired data.
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收藏
页数：11
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