FERROELECTRIC LIQUID-CRYSTALLINE POLYSILOXANES WITH HIGH SPONTANEOUS POLARIZATION AND POSSIBLE APPLICATIONS IN NONLINEAR OPTICS

被引:66
作者
KAPITZA, H
ZENTEL, R
TWIEG, RJ
NGUYEN, C
VALLERIEN, SU
KREMER, F
WILLSON, CG
机构
[1] Institut Für Organische Chemie, Universität Mainz, Mainz, D-6500
[2] Institut für Organische Chemie, Makromolekulare Chemie Universität Düsseldorf, Dusseldorf, D-4000
[3] Ibm-Almaden Research Center, San Jose, California, 95120-6099
[4] Max-Planck-Institut für Polymerforschung, Mainz, D-6500
关键词
D O I
10.1002/adma.19900021106
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Ferroelectric liquid crystalline (LC) polymers (see figure), which in the smectic C* phase exhibit the highest yet known spontaneous polarization for LC polymers of up to 430 nC/cm2, a value which approaches that of the best low molecular weight materials, have been synthesized, based on chiral polysiloxanes. A copolymer is also reported which shows promise for second harmonic generation (frequency doubling) of the 1064 nm Nd:YAG fundamental (to 532 nm) without poling in an external field. (Figure Presented.) Copyright © 1990 Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码:539 / 543
页数:5
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