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14 February 2005 Phase manipulation and optoelectronic reconstruction of digital holograms by means of LCOS spatial light modulator
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Proceedings Volume 5776, Eighth International Symposium on Laser Metrology; (2005) https://doi.org/10.1117/12.611619
Event: Eighth International Conference on Laser Metrology, 2005, Merida, Mexico
Abstract
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.
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Aneta Michalkiewicz, Malgorzata Kujawinska, Jerzy Krezel, Leszek Salbut, Xinghua Wang, and Philip J. Bos "Phase manipulation and optoelectronic reconstruction of digital holograms by means of LCOS spatial light modulator", Proc. SPIE 5776, Eighth International Symposium on Laser Metrology, (14 February 2005); https://doi.org/10.1117/12.611619
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