Phase manipulation and optoelectronic reconstruction of digital holograms by means of LCOS spatial light modulator

被引：17

作者：

Michalkiewicz, A ^{[1
]}

Kujawinska, M ^{[1
]}

Krezel, J ^{[1
]}

Salbut, L ^{[1
]}

Wang, X ^{[1
]}

Bos, PJ ^{[1
]}

机构：

[1] Warsaw Univ Technol, Inst Micromech & Photon, PL-02525 Warsaw, Poland

来源：

Eighth International Symposium on Laser Metrology: MACRO-, MICRO-, AND NANO-TECHNOLOGIES APPLIED IN SCIENCE, ENGINEERING, AND INDUSTRY | 2005年 / 5776卷

关键词：

digital holography; computer generated holograms; spatial light modulator; 3D visualization; phase-shifting digital holography;

D O I：

10.1117/12.611619

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Fresnel and Fourier holograms recorded by CCD/CMOS cameras can be numerically or optoelectronically reconstructed in order to provide visualization of 3D objects or to enable further manipulation of their phases and amplitudes. In the paper we propose to introduce into digital holographic (DH) setup Liquid Crystal on Silicon (LCOS) spatial light modulator as an active 2D optoelectronic element which facilitates performing a variety of operations at the recording and reconstruction stages. This includes introducing phase shifting digital holography, additional phase manipulation for object contouring and displacement measurements as well as for optoelectronic reconstruction of all types of digital holograms. The results of initial experiments performed with LCOS are presented and discussed. Also the future directions of development of active DH and DHI system are outlined.

引用

页码：144 / 152

页数：9

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