Generalized phase-shifting for three-wave shearing interferometry

被引：5
|
作者：
Xia, Jianpei [1 ,2 ]
Chen, Zhaozhong [1 ,2 ]
Sun, Hao [1 ,2 ]
Liang, Pei-Ying [3 ]
Ding, Jianping [1 ,2 ]
机构：
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[2] Nanjing Univ, Sch Phys, Nanjing 210093, Jiangsu, Peoples R China
[3] Foshan Univ, Dept Photoelect Informat & Engn, Foshan 528000, Peoples R China
来源：
APPLIED OPTICS | 2016年 / 55卷 / 11期
基金：
中国国家自然科学基金;
关键词：
SPATIAL LIGHT-MODULATOR; WAVE-FRONT RECONSTRUCTION; COMMON-PATH; CONTRAST; INTERFEROGRAMS; GRATINGS;
D O I：
10.1364/AO.55.002843
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A generalized phase-shifting method for three-wave shearing interferometry is proposed. The phase-shifting algorithm is derived by an optimal process based on least-squares fitting. With this generalized algorithm, the steps of phase-shifting can be reduced to five, which greatly simplifies the measurement and decreases the burden of computation. Both the numerical simulation and the optical experiment are carried out to demonstrate the adaptability of the method. (C) 2016 Optical Society of America
引用
收藏
页码：2843 / 2847
页数：5
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