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Proceedings Paper

Enhancement of recording and readout for the photopolymer holographic disk system by using a conjugate structure
Author(s): Liangcai Cao; Zhen Zhao; Huarong Gu; Qingsheng He; Guofan Jin
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Paper Abstract

A conjugate recording/readout method is described for volume holographic disk system. The principle of the coupled wave analysis is given for the dynamic processes of the volume holographic gratings. The formation of gratings under the conjugate method and the corresponding diffraction efficiency are studied experimentally with the cationic ringopening photopolymerization (CROP) material. Results show that the method helps to enhance the holographic recording/readout process with a higher speed. It can also reduce the non-uniform exposure along the beam inside the material. With this conjugate structure, low-power semiconductor laser diodes are applicable and the recording speed is greatly increased, which will promote the compact and commercialization of the volume holographic photopolymer disk system.

Paper Details

Date Published: 24 January 2008
PDF: 7 pages
Proc. SPIE 6827, Quantum Optics, Optical Data Storage, and Advanced Microlithography, 68270X (24 January 2008); doi: 10.1117/12.760253
Show Author Affiliations
Liangcai Cao, Tsinghua Univ. (China)
Zhen Zhao, Tsinghua Univ. (China)
Huarong Gu, Tsinghua Univ. (China)
Qingsheng He, Tsinghua Univ. (China)
Guofan Jin, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 6827:
Quantum Optics, Optical Data Storage, and Advanced Microlithography
Chris A. Mack; Jinfeng Kang; Jun-en Yao; Guangcan Guo; Song-hao Liu; Osamu Hirota; Guofan Jin; Kees A. Schouhamer Immink; Keiji Shono, Editor(s)

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