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Multiplexed storage of permanent and real time holograms in photorefractive bismuth silicon oxide for use in image processing and spatial light modulation

Multiplexed storage of permanent and real time holograms in photorefractive bismuth silicon oxide for use in image processing and spatial light modulation
Multiplexed storage of permanent and real time holograms in photorefractive bismuth silicon oxide for use in image processing and spatial light modulation
We present a technique for storing holograms in crystals of bismuth silicon oxide (BSO) that combines reversible photochromic effects with the more usual real time photorefractive characteristics. Photochromic effects have been observed before in these sillenite crystals but have generally been considered a problem rather than a possible mechanism for holographic storage. As the normal photorefractive (PR) behavior is unaffected, however, simultaneous spatial multiplexing of both photorefractive (real time) and photochromic (permanent) holograms is possible in the same crystal volume.
Clapham, S.L.
d85f047b-54e1-4686-977e-3b75b23eb9c0
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Vainos, N.A.
e4f22637-2f1c-4dec-af67-d059261dd5b2
Clapham, S.L.
d85f047b-54e1-4686-977e-3b75b23eb9c0
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Vainos, N.A.
e4f22637-2f1c-4dec-af67-d059261dd5b2

Clapham, S.L., Eason, R.W. and Vainos, N.A. (1990) Multiplexed storage of permanent and real time holograms in photorefractive bismuth silicon oxide for use in image processing and spatial light modulation. CLEO '90 Conference on Lasers and Electro-Optics, Anaheim, United States. 21 - 25 May 1990.

Record type: Conference or Workshop Item (Paper)

Abstract

We present a technique for storing holograms in crystals of bismuth silicon oxide (BSO) that combines reversible photochromic effects with the more usual real time photorefractive characteristics. Photochromic effects have been observed before in these sillenite crystals but have generally been considered a problem rather than a possible mechanism for holographic storage. As the normal photorefractive (PR) behavior is unaffected, however, simultaneous spatial multiplexing of both photorefractive (real time) and photochromic (permanent) holograms is possible in the same crystal volume.

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Published date: 1990
Venue - Dates: CLEO '90 Conference on Lasers and Electro-Optics, Anaheim, United States, 1990-05-21 - 1990-05-25

Identifiers

Local EPrints ID: 77504
URI: https://eprints.soton.ac.uk/id/eprint/77504
PURE UUID: e24e7e4b-50f6-4d4d-a379-7109ebe51151
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

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Date deposited: 11 Mar 2010
Last modified: 14 Dec 2018 01:38

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Contributors

Author: S.L. Clapham
Author: R.W. Eason ORCID iD
Author: N.A. Vainos

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