| 偶氮侧基聚合物光致异构动力学研究 |
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| 引用本文： | 李群,魏雄中.偶氮侧基聚合物光致异构动力学研究[J].光子学报,1997,26(5):403-407. |
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| 作者姓名： | 李群 魏雄中 |
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| 作者单位： | [1]广东工业大学数理系 [2]山大学物理系 |
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| 摘 要： | 本文对偶氮侧基聚合物相位共轭光时间特性进行了研究,得到了相位共扼光产生机制─光致异构过程的时间常数.在相位共轭光上升阶段,其时间常数在0.4～0.5s之间,在相让共轭光的衰减过程,衰减满足双指数关系,分段拟合得到较好的结果,且得到快过程的时间常数为0.27s,慢过程的时间常数为0.78s.
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| 关 键 词： | 相位共轭 光致异构 |
| 收稿时间： | 1996-07-31 |
STUDIES ON PHOTOINDUCED ISOMERIZATION PROCESS OF A SIDE-CHAIN AZO POLYMER |
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| Li Qun,Bi Dongying,Wei Xiong,Lin Weizhu,Mo Dang.STUDIES ON PHOTOINDUCED ISOMERIZATION PROCESS OF A SIDE-CHAIN AZO POLYMER[J].Acta Photonica Sinica,1997,26(5):403-407. |
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| Authors: | Li Qun Bi Dongying Wei Xiong Lin Weizhu Mo Dang |
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| Institution: | 1. Department of Mathematics and Physics, Gnangdong Institute of Technology, Guangzhou 510090;2. Department of Physics, Zhongshan Univerny, Guangzhou 510275 |
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| Abstract: | The kinetics of photoinduced isomerization of azobenzene groups was studied by measuring the time response of phase conjugate beam. It was found that the response parameter of isomerization at the start stage is 0. 4~0. 5s,and the decays of azobenzene groups contain two process and obey the two-exponent law with 0. 27s as the lifetime of the quicker process and 0. 78s as the lifetime of slower one. |
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| Keywords: | Phase conjugation Photoinduced isomerization |
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