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题名:
Phase-shifts n pi/2 calibration method for phasestepping interferometry
作者: Bai Fuzhong; Rao Changhui
刊名: Optics Express
出版日期: 2009
卷号: 17, 期号:19, 页码:16861-16868
通讯作者: Bai Fuzhong
文章类型: 期刊论文
中文摘要: A novel phase-shifts n pi/2 calibration method for phase-stepping interferometry, in which the sum intensities and the squared sum of a series of phase-shifted interferograms are firstly calculated, and then by the minimization of the variances of these sums perform the n pi/2 phase-shifts calibration, is proposed in this paper. The proposed method can overcome effectively the effect of the variations of background and modulation intensities in interferograms with any phase structure, and it is also insensitive to the nonlinearity of phase shifter. Numerical simulation and experiments are implemented to verify the effectiveness of this method.
英文摘要: A novel phase-shifts n pi/2 calibration method for phase-stepping interferometry, in which the sum intensities and the squared sum of a series of phase-shifted interferograms are firstly calculated, and then by the minimization of the variances of these sums perform the n pi/2 phase-shifts calibration, is proposed in this paper. The proposed method can overcome effectively the effect of the variations of background and modulation intensities in interferograms with any phase structure, and it is also insensitive to the nonlinearity of phase shifter. Numerical simulation and experiments are implemented to verify the effectiveness of this method.
收录类别: SCI ; Ei
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6116
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作者单位: 中国科学院光电技术研究所

Recommended Citation:
Bai Fuzhong,Rao Changhui. Phase-shifts n pi/2 calibration method for phasestepping interferometry[J]. Optics Express,2009,17(19):16861-16868.
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