THERMALLY STABLE AND LARGE 2ND-ORDER NONLINEARITY IN POLED SILICA FILMS DOPED WITH DISPERSE-RED-1 IN HIGH-CONCENTRATION

被引：8

作者：

HAYASHI, H

NAKAYAMA, H

SUGIHARA, O

OKAMOTO, N

机构：

[1] Shizuoka University, Hamamatsu, 432

来源：

OPTICS LETTERS | 1995年 / 20卷 / 22期

关键词：

D O I：

10.1364/OL.20.002264

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Solgel-processed silica films doped with the organic azo dye Disperse Red 1 (DR1) are prepared in a higher concentration than previously reported. Second-harmonic generation (SHG) from corona-poled films is measured with the Maker fringe technique with a Nd:YAG laser (1064 nm). The second-order nonlinear-optical coefficient is evaluated as d(15) = 27 pm/V, d(31) = 26 pm/V, and d(33) = 120 pm/V, at a DR1 concentration of 2.2 x 10(21)/cm(3). The nonlinearity is stable for at least 1000 h at 125 degrees C without any relaxation. (C) 1995 Optical Society of America

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页码：2264 / 2266

页数：3

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