Optical nonlinearity and structural phase-transition observation of organic dye-doped polymer-silica hybrid material

被引:10
作者
Xu, L [1 ]
Hou, ZJ
Liu, LY
Xu, ZL
Wang, WC
Li, FM
Ye, MX
机构
[1] Fudan Univ, Dept Phys, State Key Lab Mat Modificat Lasers Electron & Ion, Lab Laser Phys & Opt, Shanghai 200433, Peoples R China
[2] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China
关键词
D O I
10.1364/OL.24.001364
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The optical nonlinearity of organic dye-doped poly(methyl methacrylate) (PMMA)-silica-gel hybrid material was investigated by second-harmonic-generation measurement. We found that incorporation of in situ polymerized solgel precursors into the organic dye-doped PMMA. significantly improved the nonlinear optical stability of the system. However, improvement of thermal stability occurred only when a sufficient amount of silica I:el was incorporated. A structural phase transition from pure polymer to a hybrid system was found near a 10-mol.% silica-gel concentration. The optimum polymer/tetraethoxysilane molar ratio is 2:1 to 1:1. (C) 1999 Optical Society of America OCIS code: 190.4710.
引用
收藏
页码:1364 / 1366
页数:3
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