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Proceedings Paper

New aluminum oxide single crystals for volumetric optical data storage
Author(s): Mark S. Akselrod; Anna E. Akselrod; Sergei S. Orlov; Subrata Sanyal; Thomas H. Underwood
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Paper Abstract

Spectroscopic properties of new aluminum oxide crystals for volumetric optical data storage are investigated. Magnesium impurity and double oxygen vacancy defects are responsible for the main optical properties of the new material. Sequential two-photon absorption and ionization of color centers followed by capture of a free electron on a deep trap is a suggested mechanism for writing information. One-photon absorption and non-destructive readout using reconstruction of recorded holograms or a confocal fluorescence detection scheme are proposed.

Paper Details

Date Published: 16 September 2003
PDF: 8 pages
Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); doi: 10.1117/12.533060
Show Author Affiliations
Mark S. Akselrod, Landauer, Inc. (United States)
Anna E. Akselrod, Landauer, Inc. (United States)
Sergei S. Orlov, Landauer, Inc. (United States)
Subrata Sanyal, Landauer, Inc. (United States)
Thomas H. Underwood, Landauer, Inc. (United States)

Published in SPIE Proceedings Vol. 5069:
Optical Data Storage 2003
Michael O'Neill; Naoyasu Miyagawa, Editor(s)

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