Optical representation of binary data based on both intensity and phase modulation with a twisted-nematic liquid-crystal display for holographic digital data storage
Optics Letters, Vol. 26, Issue 22, pp. 1797-1799 (2001)
http://dx.doi.org/10.1364/OL.26.001797
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Abstract
We propose a method of representing binary data by modulating both the intensity and the phase of beams with a twisted-nematic liquid-crystal display. With our method it is possible to reduce the dc component of the data image and thus improve the beam-intensity uniformity at the holographic recording plane when one is recording Fourier-plane holograms to obtain maximal areal storage density in disk-shaped storage media. The feasibility of our method is demonstrated experimentally.
© 2001 Optical Society of America
[Optical Society of America ]
OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(200.0200) Optics in computing : Optics in computing
(200.3050) Optics in computing : Information processing
(200.4740) Optics in computing : Optical processing
(210.2860) Optical data storage : Holographic and volume memories
Citation
Ju-Seog Jang and Dong-Hak Shin, "Optical representation of binary data based on both intensity and phase modulation with a twisted-nematic liquid-crystal display for holographic digital data storage," Opt. Lett. 26, 1797-1799 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-22-1797
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