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Proceedings Paper

Dye-based non-volatile holographic data storage media
Author(s): Christoph Erben; Xiaolei Shi; Eugene Boden; Kathryn L. Longley
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Paper Abstract

Holographic data storage materials are presented that are based on a thermoplastic host doped with narrow-band absorption dyes. The dyes are photosensitive and undergo non-reversible photobleaching reactions upon exposure. Samples were produced using different dyes and various concentrations in a polymer host with a focus on sensitivity and capacity of the media. A challenging obstacle for a successful dye-doped system is the inherent remaining photosensitivity of the material after the writing process. This paper will introduce the concept of a highly sensitive yet non-volatile dye-based data storage system. The chromophore is subjected to a post-treatment step at a second wavelength which removes the photosensitivity. The stored data can therefore be secured against degradation during read-out at the writing wavelength.

Paper Details

Date Published: 18 September 2007
PDF: 11 pages
Proc. SPIE 6657, Organic 3D Photonics Materials and Devices, 665707 (18 September 2007); doi: 10.1117/12.740221
Show Author Affiliations
Christoph Erben, General Electric Global Research (United States)
Xiaolei Shi, General Electric Global Research (United States)
Eugene Boden, General Electric Global Research (United States)
Kathryn L. Longley, General Electric Global Research (United States)

Published in SPIE Proceedings Vol. 6657:
Organic 3D Photonics Materials and Devices
Susanna Orlic; Klaus Meerholz, Editor(s)

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