Dye-doped thermoplastics for holographic data storage

Eugene P. Boden; Marc Dubois; Xiaolei Shi; Brian Lawrence; Christoph Erben; Kathryn L. Longley

doi:10.1117/12.679540

13 September 2006 Dye-doped thermoplastics for holographic data storage

Eugene P. Boden, Marc Dubois, Xiaolei Shi, Brian Lawrence, Christoph Erben, Kathryn L. Longley

Proceedings Volume 6335, Organic Holographic Materials and Applications IV; 633509 (2006) https://doi.org/10.1117/12.679540
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Holographic data storage materials based on a dye-doped thermoplastic that could find application in professional archival and consumer applications are described. The dye is selected from the class of o-nitrostilbenes, which irreversibly bleaches under exposure to light and shows high thermal stability before and after exposure. The reduction in concentration of the dye in the host after exposure induces refractive index variations over a wide range of wavelengths and extends well away from the dye absorption peak conforming to the Kramers-Kronig relationship. The materials are injection moldable into the standard disc format and have negligible shrinkage during data storage. Samples were produced using different dyes and various concentrations in a polycarbonate host and processed on professional CD/DVD equipment. The refractive index change is as high as 0.04, with a measured instantaneous sensitivity of 0.5 cm/J and M/# = 0.3.

Citation Download Citation

Eugene P. Boden, Marc Dubois, Xiaolei Shi, Brian Lawrence, Christoph Erben, and Kathryn L. Longley "Dye-doped thermoplastics for holographic data storage", Proc. SPIE 6335, Organic Holographic Materials and Applications IV, 633509 (13 September 2006); https://doi.org/10.1117/12.679540

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