Optical storage in photopolymers using 3D microgratings

Susanna Orlic; Christian Mueller; Ruediger Schoen; Martin Trefzer; Hans Joachim Eichler

doi:10.1117/12.454037

23 January 2002 Optical storage in photopolymers using 3D microgratings

Susanna Orlic, Christian Mueller, Ruediger Schoen, Martin Trefzer, Hans Joachim Eichler

Proceedings Volume 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage; (2002) https://doi.org/10.1117/12.454037
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

An optical system for writing and reading of microscopic holographic gratings in a photopolymer layer is presented. The reflection gratings created by a highly focused laser beam can be used to replace the pit-land structure in a disk-based optical storage system. The modulation range of such three-dimensional microgratings is clearly localized to the focal region of a focused write beam. Holographic recording allows for using various multiplexing methods. To achieve storage densities higher than currently available, we propose a combination of wavelength multiplexing and multilayer storage. The fist steps in the system development as well as microholographic recording in Aprilis CROP photopolymers are reported.

Citation Download Citation

Susanna Orlic, Christian Mueller, Ruediger Schoen, Martin Trefzer, and Hans Joachim Eichler "Optical storage in photopolymers using 3D microgratings", Proc. SPIE 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage, (23 January 2002); https://doi.org/10.1117/12.454037

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