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28 April 1994 Photorefractive tungsten bronze materials for data storage applications
R. R. Neurgaonkar, Warren K. Cory, John R. Oliver, Demetri Psaltis
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Proceedings Volume 10270, Photorefractive Materials, Effects, and Applications: A Critical Review; 1027006 (1994) https://doi.org/10.1117/12.178628
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States
Abstract
The photorefractive and electrical properties of ferroelectric tungsten bronze (T.B.) materials are reviewed with respect to optical data storage applications. Our work indicates that both the photorefractive properties (speed and coupling) and dark conductivity are sensitive to the type of T.B. host, dopants, and structural defects. The filled-lattice T.B. crystals exhibit faster response and lower dark conductivities, which are needed for data storage applications, as compared to unfilled T.B. crystals. Concepts for 3-D holographic memory applications using these materials arc discussed.
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R. R. Neurgaonkar, Warren K. Cory, John R. Oliver, and Demetri Psaltis "Photorefractive tungsten bronze materials for data storage applications", Proc. SPIE 10270, Photorefractive Materials, Effects, and Applications: A Critical Review, 1027006 (28 April 1994); https://doi.org/10.1117/12.178628
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KEYWORDS
Data storage
Tungsten
Crystals
3D applications
Holography
Holography applications
Optical storage
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