New aluminum oxide single crystals for volumetric optical data storage

Mark S. Akselrod; Anna E. Akselrod; Sergei S. Orlov; Subrata Sanyal; Thomas H. Underwood

doi:10.1117/12.533060

16 September 2003 New aluminum oxide single crystals for volumetric optical data storage

Mark S. Akselrod, Anna E. Akselrod, Sergei S. Orlov, Subrata Sanyal, Thomas H. Underwood

Proceedings Volume 5069, Optical Data Storage 2003; (2003) https://doi.org/10.1117/12.533060
Event: Optical Data Storage 2003, 2003, Vancouver, Canada

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.

Citation Download Citation

Mark S. Akselrod, Anna E. Akselrod, Sergei S. Orlov, Subrata Sanyal, and Thomas H. Underwood "New aluminum oxide single crystals for volumetric optical data storage", Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); https://doi.org/10.1117/12.533060

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