Temperature variation of the photoinduced birefringence of an azo dye doped polymer

被引：10
|
作者：
Blanche, PA
Lemaire, PC
Maertens, C
Dubois, P
Jérôme, R
机构：
[1] Univ Liege, Ctr Spatial Liege, B-4031 Angleur Liege, Belgium
[2] Univ Liege, Ctr Educ & Res Macromol, B-4000 Liege, Belgium
来源：
POLYMER ENGINEERING AND SCIENCE | 1999年 / 39卷 / 03期
关键词：
D O I：
10.1002/pen.11429
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The influence of the temperature on the photoinduced birefringence on an azo dye doped polymer film has been studied. Sample is composed of a polymer matrix PVK (Poly(N-vinylcarbazole)), doped with 10 weight percent (wt%) of the birefringent molecule DMNPAA (2,5-dimethyl-4-(p-nitrophenylazo) anisole) and 30 wt% of ECZ (N-ethylcarbazole) which acts as a plasticizer. Theoretical results can explain the behavior of the amplitude of the photoinduced birefiingence versus temperature. Experimental and theoretical results are compared. Holographic recording experiments based on photoinduced birefringence have been carried out. Based on the effect of temperature, we have been able to significantly increase the diffraction efficiency of our sample.
引用
收藏
页码：406 / 412
页数：7
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