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Proceedings Paper

Photorefractive tungsten bronze materials for data storage applications
Author(s): R. R. Neurgaonkar; Warren K. Cory; John R. Oliver; Demetri Psaltis
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Paper 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.

Paper Details

Date Published: 28 April 1994
PDF: 11 pages
Proc. SPIE 10270, Photorefractive Materials, Effects, and Applications: A Critical Review, 1027006 (28 April 1994); doi: 10.1117/12.178628
Show Author Affiliations
R. R. Neurgaonkar, Rockwell International Science Ctr. (United States)
Warren K. Cory, Rockwell International Science Ctr. (United States)
John R. Oliver, Rockwell International Science Ctr. (United States)
Demetri Psaltis, California Institute of Technology (United States)


Published in SPIE Proceedings Vol. 10270:
Photorefractive Materials, Effects, and Applications: A Critical Review
Pochi Yeh; Claire Gu, Editor(s)

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