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Proceedings Paper

Synthesis and multiwavelength optical recording properties of two new photochromic diarylethenes
Author(s): Shouzhi Pu; Fushi Zhang; Fan Sun; Xinhong Zhou; Haobo Guo; Peng Yuan; Xuesong Mai; Guosheng Qi
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Paper Abstract

1,2-bis(2-methyl-5-(2-(1,3-dioxolane))-thien-3-yl)perfluorocyclopentene (1a) and 1,2-bis(2-methyl-5- 4-N,N-dimethyl-phenyl)-thien-3-yl)perfluorocyclopentene (2a) were synthesized and rewritable photo-mode muti-wavelength optical recording by the use of them was performed successfully. In amorphous film photochromic media, two laser beams of 532 nm and 650 nm were used in recording and readout simultaneously, and signals with high S/N ratio were detected. The results show that the reflectivity difference between the recorded dot and unrecorded region is greater than 50%, and above all, there is no crosstalk existing in the two diarylethenes, which it is very important to implement successfully multi-wavelength optical recording. The photochromic properties of them were also discussed.

Paper Details

Date Published: 17 September 2002
PDF: 7 pages
Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); doi: 10.1117/12.483274
Show Author Affiliations
Shouzhi Pu, Tsinghua Univ. (China)
Fushi Zhang, Tsinghua Univ. (China)
Fan Sun, Tsinghua Univ. (China)
Xinhong Zhou, Tsinghua Univ. (China)
Haobo Guo, Tsinghua Univ. (China)
Peng Yuan, Tsinghua Univ. (China)
Xuesong Mai, Tsinghua Univ. (China)
Guosheng Qi, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 4930:
Advanced Optical Storage Technology
Duanyi Xu; Seiya Ogawa, Editor(s)

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