EFFICIENT 2ND-HARMONIC GENERATION FROM ALL-POLYMERIC LANGMUIR-BLODGETT AB FILMS CONTAINING UP TO 600 LAYERS

被引：22

作者：

HODGE, P ^{[1
]}

ALIADIB, Z ^{[1
]}

WEST, D ^{[1
]}

KING, TA ^{[1
]}

机构：

[1] UNIV MANCHESTER, DEPT PHYS, MANCHESTER M13 9PL, LANCS, ENGLAND

来源：

THIN SOLID FILMS | 1994年 / 244卷 / 1-2期

关键词：

D O I：

10.1016/0040-6090(94)90620-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Alternating Langmuir-Blodgett films were prepared for second harmonic (SH) generation from an ''active'' polymer containing a hemicyanine chromophore and various ''passive'' polymers. With the best ''passive'' polymer, films containing up to 300 active layers (600 layers in total with a total thickness of 1.5 mum) had the intensity of the SH signal produced from incident light of wavelength 1.064 mum proportional to the square of the number of active layers. The intensity of the SH signal was unchanged after the film had been left in the dark at 20-degrees-C for 8 months. Over a period of 4 days the intensity of the SH signal was stable at 60-degrees-C, but unstable at 80-degrees-C.

引用

页码：1007 / 1011

页数：5

共 23 条

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