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Proceedings Paper

Multi-wavelength and multi-level optical storage based on photochromic materials
Author(s): Duanyi Xu; Hua Hu; Lin He
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Paper Abstract

Multi-wavelength and multi-level optical storage based on novel photochromic materials is a promising approach to increase recording density and transfer rates signicantly. In our research, three laser beams with dierent wavelength are simultaneously used to record information in one recording layer, which consists three kind of photochromic materials with spectrum sensitivity suitable for each used laser beam. On the other hand, the reectivity of photochromic materials varies nonlinearly with the exposure energy, which shows feasible for multilevel optical recording. The principle of the experimental system construction and a results are described in this paper. The proposed multi-wavelength and multi-level photochromic recording has the great potential to be applicable for future high density optical data storage.

Paper Details

Date Published: 15 September 2005
PDF: 5 pages
Proc. SPIE 5966, Seventh International Symposium on Optical Storage (ISOS 2005), 596607 (15 September 2005); doi: 10.1117/12.649598
Show Author Affiliations
Duanyi Xu, Tsinghua Univ. (China)
Hua Hu, Tsinghua Univ. (China)
Lin He, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 5966:
Seventh International Symposium on Optical Storage (ISOS 2005)
Fuxi Gan; Lisong Hou, Editor(s)

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