Multiplexed holographic storage onto a moving medium using acousto-optic diffracted light beams

Hidetoshi Tatemichi; Manabu Yamamoto

doi:10.1117/12.140414

2 March 1993 Multiplexed holographic storage onto a moving medium using acousto-optic diffracted light beams

Hidetoshi Tatemichi, Manabu Yamamoto

Proceedings Volume 1732, Holographics International '92; (1993) https://doi.org/10.1117/12.140414
Event: Holographics International '92, 1992, London, United Kingdom

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.

Citation Download Citation

Hidetoshi Tatemichi and Manabu Yamamoto "Multiplexed holographic storage onto a moving medium using acousto-optic diffracted light beams", Proc. SPIE 1732, Holographics International '92, (2 March 1993); https://doi.org/10.1117/12.140414

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