RELATIVE CONTRIBUTION OF THE ELECTRIC-FIELD-INDUCED 3RD-ORDER EFFECT TO 2ND-HARMONIC GENERATION IN POLED, DOPED, AMORPHOUS POLYMERS

被引：30

作者：

DHINOJWALA, A

WONG, GK

TORKELSON, JM

机构：

[1] NORTHWESTERN UNIV,DEPT PHYS & ASTRON,EVANSTON,IL 60208

[2] NORTHWESTERN UNIV,DEPT MAT SCI & ENGN,EVANSTON,IL 60208

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1994年 / 11卷 / 09期

关键词：

D O I：

10.1364/JOSAB.11.001549

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel approach involving a delay-trigger method and doped, glassy polymers has been developed to determine the contribution of the electric-field-induced third-order effect to the second-order macroscopic susceptibility chi(2) of nonlinear optical dyes. A submillisecond, variable time delay is employed for switching on or off the electric poling field with respect to the laser pulse. For the several dyes tested at 30-degrees-C the contribution of the electric-field-induced third-order effect (second-harmonic wavelength = 532 nm) ranges from (6 +/- 2)% of chi(2) 4-(dimethylamino)benzylidenemalononitrile to (20 +/- 3)% of chi(2) for 4-(dimethylamino)-4'-nitrostilbene.

引用

页码：1549 / 1554

页数：6

共 39 条

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