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Proceedings Paper

Multiplexed holographic storage onto a moving medium using acousto-optic diffracted light beams
Author(s): Hidetoshi Tatemichi; Manabu Yamamoto
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Paper Abstract

We propose a configuration for multiplexed holographic storage that uses different diffracted beams generated from an acousto-optic deflector (AOD). The AOD is driven by amplitude-modulated electrical signals to generate several diffracted beams with different frequencies. These beams produce moving interference fringes. A short exposure time and a moving medium, whose velocity is reduced through an image-reduction optical system, compensate for the reduction in visibility. Angular-multiplexing is achieved by switching the AOD driving frequencies.

Paper Details

Date Published: 2 March 1993
PDF: 12 pages
Proc. SPIE 1732, Holographics International '92, (2 March 1993); doi: 10.1117/12.140414
Show Author Affiliations
Hidetoshi Tatemichi, NTT Interdisciplinary Research Labs. (Japan)
Manabu Yamamoto, NTT Interdisciplinary Research Labs. (Japan)


Published in SPIE Proceedings Vol. 1732:
Holographics International '92

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