Phase retrieval using bidirectional interference

被引:1
作者
Pedrini, Giancarlo [1 ]
Claus, Daniel [2 ]
机构
[1] Univ Stuttgart, Inst Tech Opt, Pfaffenwaldring 9, D-70569 Stuttgart, Germany
[2] Univ Ulm, Inst Lasertechnol Med & Messtech, Helmholtstr 12, D-89081 Ulm, Germany
关键词
WAVE-FRONT RECONSTRUCTION; ITERATIVE METHOD; ELECTRON OPTICS; INTERFEROMETRY; PTYCHOGRAPHY; FIELD; INTERFEROGRAMS; ALGORITHM; MODULUS; IMAGE;
D O I
10.1364/AO.415927
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In this paper we describe a phase retrieval algorithm using constraints given by diffraction patterns and phase difference obtained from bidirectional interference. Wave propagation and linear phase ramps are used to connect the recordings. At least three patterns are recorded and processed (two diffraction patterns and one interference pattern). The quality of the results can be improved when recording and processing more patterns. The method workswell with non-sparse samples and short (few millimeter) recording distances. Simulations, comparisons with other methods, and experimental validations are presented. (C) 2021 Optical Society of America
引用
收藏
页码:3517 / 3525
页数:9
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