Phase retrieval from double axially displaced holograms for dual-wavelength in-line holography

被引:0
|
作者
李艳 [1 ]
肖文 [1 ]
潘锋 [1 ]
戎路 [2 ]
机构
[1] Key Laboratory of Precision Opto-mechatronics Technology,Ministry of Education,Beihang University
[2] College of Applied Sciences,Beijing University of Technology
基金
中国国家自然科学基金;
关键词
Phase retrieval from double axially displaced holograms for dual-wavelength in-line holography; line;
D O I
暂无
中图分类号
O438 [信息光学];
学科分类号
070207 ; 0803 ;
摘要
A phase retrieval method for dual-wavelength in-line digital holography is presented with double axially displaced holograms.A synthetic wavelength is used during iterative propagations to retrieve wrap-free phase distributions with a much extended measurement range.The simulation and experimental results demonstrate a better elimination of the twin image,a faster rate of convergence of the iterative routine and less number of wavelengths are compared with previously reported multiple-wavelength in-line holography.
引用
收藏
页码:34 / 37
页数:4
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