Temperature dependence on the grating formation in photorefractive polymeric composite

被引:2
作者
Joo, WJ [1 ]
Choi, CS [1 ]
Moon, IK [1 ]
Kim, N [1 ]
机构
[1] Hanyang Univ, Dept Chem, Seoul 133791, South Korea
关键词
low glass temperature polymer; photorefractive effect; temperature dependence;
D O I
10.1080/15421400390257737
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We investigated the dependence of the grating formation on temperature in photorefractive polymeric composite, especially the index contrast of the grating. For photorefractive polymeric materials, temperature is one of the most important factors together with the external electric field, because it is closely related with photogeneration efficiency, carrier mobility, electro-optic coefficient tensor and so on. The diffraction efficiency of the photorefractive polymeric composite decreased with increasing the temperature, and it could be explained with the magnitude of space-charge field and the electro-optic behavior at various temperatures.
引用
收藏
页码:263 / 269
页数:7
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