Iterative algorithm for beam complex amplitude reconstruction by radial shearing interferometry

被引：0
作者：
Du, Y. [1 ]
Wang, H. [1 ]
Liu, P. [1 ]
Fu, Y. [1 ]
机构：
[1] Huaqiao Univ, Coll Engn, Quanzhou 362021, Fujian, Peoples R China
来源：
JOURNAL OF OPTICAL TECHNOLOGY | 2018年 / 85卷 / 05期
基金：
中国国家自然科学基金;
关键词：
WAVE-FRONT RECONSTRUCTION; CORNEAL TOPOGRAPHY MEASUREMENT; INTERFERENCE; RECOVERY;
D O I：
10.1364/JOT.85.000264
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An iterative algorithm for precisely reconstructing the complex amplitude of a laser beam based on a radial shearing interferometer is proposed. First, the complex amplitude of the modulation function that includes the test beam's information is obtained from a cyclic radial shearing interferogram by the Fourier filtering method. Then the complex amplitude of the modulation function is used to estimate the complex amplitude of the laser output with a successive iterative process. The simulations and real experimental results show the performance of the proposed iteration method of beam complex amplitude reconstruction. (c) 2018 Optical Society of America.
引用
收藏
页码：264 / 268
页数：5
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