RELAXATION PHENOMENA IN POLYMER NONLINEAR OPTICAL-MATERIALS

被引：122

作者：

SINGER, KD ^{[1
]}

KING, LA ^{[1
]}

机构：

[1] AT&T BELL LABS,PRINCETON,NJ 08540

来源：

JOURNAL OF APPLIED PHYSICS | 1991年 / 70卷 / 06期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.349311

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The isothermal decay of the second-order nonlinear optical susceptibility of a guest-host azo dye methacrylate film was measured by second-harmonic generation at a series of temperatures. The decay curves were fit to Williams-Watt-Kohlrausch streched exponentials. The activation energies and pre-exponential factors were found to agree with those derived from nonisothermal electric-field-induced second-harmonic generation measurements on similar films. It is concluded that a common underlying process involving a distribution of local relaxations governs the film behavior.

引用

页码：3251 / 3255

页数：5

共 18 条

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