Second-order nonlinear optical properties of cross-linked silica films prepared through sol-gel process

被引：6

作者：

Cui, Yuanjing ^{[1
]}

Qian, Guodong ^{[1
]}

Chen, Lujian ^{[1
]}

Wang, Zhiyu ^{[1
]}

Wang, Minquan ^{[1
]}

机构：

[1] Zhejiang Univ, State Key Lab Silicon Mat, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China

来源：

THIN SOLID FILMS | 2008年 / 516卷 / 16期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

nonlinear optical (NLO); sol-gel; cross-linking; thermal stability;

D O I：

10.1016/j.tsf.2007.07.029

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, second-order NLO chromophores containing two reactive sites have been synthesized and characterized by H-1 NMR, FTIR and elemental analysis. The transparent films have silica network of matrix and covalently bonded chromophore of NLO segment were then fabricated via sol-gel process. The SHG coefficients (d(33)) of the poled films were calculated to be around 50 pm/V by in situ second harmonic generation (SHG) measurement. The thermal stability of the NLO coefficient was investigated by the depoling experiment and temporal decay test, showing that the cross-linked films had a good thermal stability up to 160 degrees C. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：5483 / 5487

页数：5

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