PHOTOINDUCED REFRACTIVE-INDEX CHANGE IN A PHOTOCONDUCTIVE ELECTROOPTIC POLYMER

被引：13

作者：

KAWAKAMI, T ^{[1
]}

SONODA, N ^{[1
]}

机构：

[1] MATSUSHITA ELECT IND CO LTD,CENT RES LABS,MORIGUCHI,OSAKA 570,JAPAN

来源：

APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 18期

关键词：

D O I：

10.1063/1.109457

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the photorefraction in polymeric materials such as a polyvinylcarbazole doped with nonlinear optical dye and a copolymer of a NLO dye-pendant monomer and a monomer with carbazolyl group. In the latter polymer, diffraction efficiency was on 10(-6) order, the change of the refractive index was reversible and its decay was accelerated by photoirradiation. The observed photorefraction was mainly due to the molar refraction change of carbazolyl groups caused by photoinduced ionization, and this is evidence that trapped ion radicals exist in the polymer forming grating, which is necessary for the real photorefractives.

引用

页码：2167 / 2169

页数：3

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