Multi-wavelength and multi-level optical storage based on photochromic materials

Duanyi Xu; Hua Hu; Lin He

doi:10.1117/12.649598

15 September 2005 Multi-wavelength and multi-level optical storage based on photochromic materials

Duanyi Xu, Hua Hu, Lin He

Proceedings Volume 5966, Seventh International Symposium on Optical Storage (ISOS 2005); 596607 (2005) https://doi.org/10.1117/12.649598
Event: Seventh International Symposium on Optical Storage (ISOS 2005), 2005, Zhanjiang, China

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.

Citation Download Citation

Duanyi Xu, Hua Hu, and Lin He "Multi-wavelength and multi-level optical storage based on photochromic materials", Proc. SPIE 5966, Seventh International Symposium on Optical Storage (ISOS 2005), 596607 (15 September 2005); https://doi.org/10.1117/12.649598

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