掺杂型极化聚合物薄膜电光特性及弛豫过程研究  

Investigation on the Electro-optic Properties and the Relaxation of Electric Poled Dye Doped Polymer Films

作　　者：徐志凌[1] 刘丽英[1] 刘秀[1] 侯占佳[1] 徐雷[1] 王文澄[1] 叶明新[2] 

机构地区：[1]复旦大学物理系三束材料改性国家重点实验室,上海200433 [2]复旦大学材料系,上海200433

出　　处：《中国激光》2000年第8期746-750,共5页Chinese Journal of Lasers

基　　金：国家自然科学基金!编号 :6 95780 0 5 ;国家攀登计划;上海市教育发展基金会曙光计划资助项目

摘　　要：报道了利用椭偏反射法对掺杂型极化聚合物α′-氰基 - 4′-硝基 - 4 - N,N-二甲基胺基CNDS/PMMA薄膜电光系数的测量 ,并实时测量了镀 Al电极的 CNDS/PMMA薄膜电光信号的弛豫过程 ,深入分析了引起此过程初期异常弛豫的原因 .The elliptical reflection method was used to measure the electro optic coefficient of doped α′ cyano 4′ nitro 4 N,N dimethylstibene (CNDS)/PMMA films. The decay of electro optic signal of CNDS/PMMA films with an coated Al electrode was measured in situ. A slow relaxation process was observed in the first few hours of the decay. Possible reasons were discussed.

关 键 词：极化聚合物 薄膜 电光系数 弛豫 

分 类 号：TN304.055[电子电信—物理电子学]