ANALYSIS OF EXCITONIC RESONANT EFFECT IN THE 3RD-ORDER NONLINEAR OPTICAL SUSCEPTIBILITY OF POLYDIACETYLENE FILMS

被引：17

作者：

HASEGAWA, T

ISHIKAWA, K

KODA, T

TAKEDA, K

KOBAYASHI, H

KUBODERA, K

机构：

[1] JAPAN SYNTHET RUBBER CO LTD, TSUKUBA RES LAB, TSUKUBA 305, JAPAN

[2] NIPPON TELEGRAPH & TEL PUBL CORP, OPTOELECTR LABS, ATSUGI, KANAGAWA 24301, JAPAN

来源：

SYNTHETIC METALS | 1991年 / 43卷 / 1-2期

关键词：

D O I：

10.1016/0379-6779(91)91253-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The third-order nonlinear optical properties have been investigated on the oriented blue- and red-form films of alkyl-urethane-substituted polydiacetylenes, by means of third harmonic generation (THG) and electro-absorption (EA) measurements. The spectra of \chi(3)(-3-omega;omega,omega omega)\ and Im chi(3)(-omega;0,0,omega) have been evaluated from the respective measurements. The results are discussed in terms of a three level model for quasi-one-dimensional excitons on the polymer backbone chains.

引用

页码：3151 / 3156

页数：6

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