New photorefractive polymer composites doped with liquid nonlinear optical chromophores

被引：0
|
作者：
Chil-Sung Choi
In Kyu Moon
Nakjoong Kim
机构：
[1] Hanyang University,Department of Chemistry
来源：
Macromolecular Research | 2009年 / 17卷
关键词：
photorefractive effect; liquid nonlinear optical chromophore; plasticizer; photorefractive response time; diffraction efficiency;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Photorefractive polymer composites were synthesized based on poly (N-vinylcazbazole) (PVK) doped with liquid nonlinear optical chromophores and a sensitizer C60. PVK/liquid NLO chromophores/C60 devices showed no signs of phase separation and did not require a plasticizer, such as ethylcarbazole. The composites showed 69% diffraction efficiency (C3) and a rapid response time of 46 ms (C1) in four-wave mixing experiments at a light intensity of 60 mW/cm2 and a wavelength of 633 nm.
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页码：874 / 878
页数：4
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