ELECTROOPTIC EFFECT IN LANGMUIR-BLODGETT-FILMS OF 2-(DOCOSYLAMINO)-5-NITROPYRIDINE PROBED BY SURFACE-PLASMON WAVES

被引：17
|
作者：
WIJEKOON, WMKP
ASGHARIAN, B
CASSTEVENS, M
SAMOC, M
TALAPATRA, GB
PRASAD, PN
GEISLER, T
ROSENKILDE, S
机构：
[1] SUNY BUFFALO,DEPT CHEM,PHOTON RES LAB,BUFFALO,NY 14260
[2] TECH UNIV DENMARK,APPL MATH PHYS LAB,DK-2800 LYNGBY,DENMARK
来源：
LANGMUIR | 1992年 / 8卷 / 01期
关键词：
D O I：
10.1021/la00037a026
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Measurements of electrooptic modulation of surface plasmon resonance have been carried out on horizontally transferred Langmuir-Blodgett films of 2-(docosylamino)-5-nitropyridine. The observed Pockels response is approximately constant for different numbers of layers in multilayered films and is proportional to the strength of the modulating field. The calculated second-order susceptibility values are approximately 2 x 10(-13) m V-1, 2 orders of magnitude lower than those derived from second harmonic generation studies. The presence of the Pockels effect is attributed to off-diagonal terms in the second-order susceptibility.
引用
收藏
页码：135 / 139
页数：5
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