Third-order nonlinear optical susceptibilities of the Langmuir-Blodgett films of octa-substituted metallophthalocyanines

被引：23

作者：

DiazGarcia, MA ^{[1
]}

Cabrera, JM ^{[1
]}

AgulloLopez, F ^{[1
]}

Duro, JA ^{[1
]}

delaTorre, G ^{[1
]}

Torres, T ^{[1
]}

FernandezLazaro, F ^{[1
]}

Delhaes, P ^{[1
]}

Mingotaud, C ^{[1
]}

机构：

[1] UNIV AUTONOMA MADRID,DEPT QUIM ORGAN,E-28049 MADRID,SPAIN

来源：

APPLIED PHYSICS LETTERS | 1996年 / 69卷 / 03期

关键词：

D O I：

10.1063/1.118037

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The third-order susceptibilities chi((3))(-3 omega:omega,omega,omega) of Langmuir-Blodgett films of a series of octasubstituted metallophthalocyanines have been measured by third-harmonic generation experiments at 1.064 and 1.904 mu m. For the latter excitation wavelength a marked enhancement of the nonlinearity for the cobalt-containing compound has been found, and chi((3)) values are one order of magnitude larger than for the other systems. The effect has been associated to the role of two-photon allowed metal (possibly d-d) transitions in the cobalt derivative. (C) 1996 American Institute of Physics.

引用

页码：293 / 295

页数：3

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