Electrostrictive behavior observed in a low glass-transition temperature photorefractive polymeric composite during a two-beam coupling experiment

被引：12

作者：

Wang, F ^{[1
]}

Chen, ZJ

Wang, SF

Huang, ZW

Gong, QH

Zhang, ZJ

Chen, YW

Chen, HY

机构：

[1] Beijing Univ, Dept Phys, Mesoscop Phys Lab, Beijing 100871, Peoples R China

[2] Beijing Univ, Dept Chem, Beijing 100871, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 1998年 / 72卷 / 23期

关键词：

D O I：

10.1063/1.121500

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A movement of refractive index grating was observed in two-beam coupling behavior with a low glass-transition temperature photorefractive polymeric film as the poling electric field was discharged. The photorefractive polymeric composite is poly( N-vinylcarbazole) doped with 2,5-dimethyl-4-(p-nitrophenylazo)anisole: N-ethylcarbazole and 2,4,7-trinitro-9-fluorenone in a weight ratio of 25:40:34:1. A theoretical explanation based on electrostrictive effect was given, and some evidential experiments, including degenerate four-wave mixing and Michelson interference measurement were also presented. (C) 1998 American Institute of Physics.

引用

页码：2939 / 2941

页数：3

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