Progress in bit-wise volumetric optical storage using aluminum oxide single crystal media

M. S. Akselrod; S. S. Orlov; G. M. Akselrod; G. J. Sykora; K. J. Dillin; T. H. Underwood

doi:10.1117/12.738414

11 July 2007 Progress in bit-wise volumetric optical storage using aluminum oxide single crystal media

M. S. Akselrod, S. S. Orlov, G. M. Akselrod, G. J. Sykora, K. J. Dillin, T. H. Underwood

Proceedings Volume 6620, Optical Data Storage 2007; 662003 (2007) https://doi.org/10.1117/12.738414
Event: Optical Data Storage 2007, 2007, Portland, OR, United States

Abstract

Aluminum oxide single crystals doped with magnesium and carbon and having aggregate vacancy defects are proposed for volumetric fluorescent bit-wise data storage. A unique optical recording technique, which utilizes sequential two-photon absorption and incoherent confocal fluorescence detection, is utilized for nondestructive readout. The new medium is exceptionally environmentally and temporally stable and can be recorded with diode lasers. Recent static and dynamic test stand results are reported, including demonstration of 20 layers of data and random mark-length recording with a clear "eye pattern" and satisfactory carrier-to-noise ratio.

Citation Download Citation

M. S. Akselrod, S. S. Orlov, G. M. Akselrod, G. J. Sykora, K. J. Dillin, and T. H. Underwood "Progress in bit-wise volumetric optical storage using aluminum oxide single crystal media", Proc. SPIE 6620, Optical Data Storage 2007, 662003 (11 July 2007); https://doi.org/10.1117/12.738414

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