Chin. Phys. Lett.  1997, Vol. 14 Issue (4): 284-286    DOI:
Original Articles |
Optical Information Storage in Poly [3-Methyl-4-Bis( N,N- Oxyethylene)Imino-4-Nitro-Azobenzene Sebacoyl] Film by Degenerate Four-Wave Mixing
BI Dong-ying1;ZHANG Ling-zhi2;LIANG Zhao-xi2;XIE Zhong-hui3;LIN Wei-zhu3;LIAO Chang-jun4;LIU Song-hao4
1Department of Physics, University of Science and Technology of China, Hefei 230026 2Institute of Polymer Science, 3 Department of Physics, Zhongshan University, Guangzhou 510275 4Institute of Quantum Electronics, South China Normal University, Guangzhou 510631
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BI Dong-ying, ZHANG Ling-zhi, LIANG Zhao-xi et al  1997 Chin. Phys. Lett. 14 284-286
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Abstract Optical storage caused by photo-induced anisotropy in poly[3-methyl-4- bis(N, N-oxyethylene) imino-4-nitro-azobenzene sebacoyl] film is studied by degenerate four-wave mixing. Molecule orientation gratings which are stable for three months are produced. The grating in the sample can be “erased” by using circular polarized light. So an azobenzene polymer thin film can be used many times to restore optical information.


Keywords: 42.70.Ln      42.65.Hw     
Published: 01 April 1997
PACS:  42.70.Ln (Holographic recording materials; optical storage media)  
  42.65.Hw (Phase conjugation; photorefractive and Kerr effects)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1997/V14/I4/0284
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BI Dong-ying
ZHANG Ling-zhi
LIANG Zhao-xi
XIE Zhong-hui
LIN Wei-zhu
LIAO Chang-jun
LIU Song-hao
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