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Phase-shift extraction for generalized phase-shifting interferometry

机译:相移提取用于广义相移干涉术

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摘要

A simple algorithm for blind extraction of phase shifts is proposed for generalized phase-shifting interferometrynfrom only three interferograms. Based on the statistical property of the object wave, the algorithmncalculates approximately the involved phase shifts as initial values. The extraction is further improved bynan iterative method, considering the fact that the closer the phase shifts approach their real values, thenmore uniform the reconstructed reference wave will become. The feasibility of this algorithm is demonstratednby both simulation and experiment. © 2009 Optical Society of America
机译:针对仅从三个干涉图得出的广义相移干涉术,提出了一种简单的相移盲提取算法。基于物波的统计特性,该算法将所涉及的相移近似计算为初始值。考虑到相移越接近其实际值,重构参考波将变得越均匀的事实,通过纳米迭代方法进一步改进了提取。通过仿真和实验证明了该算法的可行性。 ©2009美国眼镜学会

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  • 来源
    《Optics Letters》 |2009年第22期|p.1-3|共3页
  • 作者单位

    Peng Gao,1,2,3,4 Baoli Yao,3,* Norbert Lindlein,1 Klaus Mantel,2Irina Harder,2 and Eduard Geist11Institute of Optics, Information and Photonics, University of Erlangen, Erlangen, Germany2Max-Planck-Institute for the Science of Light, Germany3State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences, China4Graduate School of the Chinese Academy of Sciences, Beijing 100039, China*Corresponding author: yaobl@opt.ac.cn;

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