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.
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页码：264 / 268
页数：5
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