Phase shifting digital holography implemented with a twisted-nematic liquid-crystal display

被引：12
|
作者：
Cruz, Maria-Luisa [1 ]
Castro, Albertina [1 ]
Arrizon, Victor [1 ]
机构：
[1] Inst Nacl Astrofis Opt & Electr, Puebla 72000, Pue, Mexico
来源：
APPLIED OPTICS | 2009年 / 48卷 / 36期
关键词：
NUMERICAL RECONSTRUCTION; OBJECT RECOGNITION; MICROSCOPY; INTERFEROMETRY; CONTRAST;
D O I：
10.1364/AO.48.006907
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We describe and experimentally demonstrate a phase shifting method based on the lateral displacement of a grating implemented with a twisted-nematic liquid-crystal spatial light modulator. This method allows an accurate implementation of the phase shift without requiring moving parts. The technique is implemented in a Mach-Zehnder digital holography setup in which the field transmitted by the sample object freely propagates to the hologram plane. (C) 2009 Optical Society of America
引用
收藏
页码：6907 / 6912
页数：6
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