Second-harmonic generation in smectic A phase of ferroelectric liquid crystal induced by electroclinic effect

被引：4
|
作者：
Kobayashi, K
Watanabe, T
Uto, S
Ozaki, M
Yoshino, K
Svensson, M
Helgee, B
Skarp, K
机构：
[1] CHALMERS UNIV TECHNOL,DEPT POLYMER TECHNOL,S-41296 GOTHENBURG,SWEDEN
[2] CHALMERS UNIV TECHNOL,DEPT PHYS,S-41296 GOTHENBURG,SWEDEN
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1996年 / 35卷 / 1B期
关键词：
second-harmonic generation; nonlinear optics; ferroelectric liquid crystal; electroclinic effect; field-induced tilt angle;
D O I：
10.1143/JJAP.35.L104
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Second-harmonic generation (SHG) of ferroelectric liquid crystal (FLC) has been studied in the smectic A (Sm A) phase in 4'-(1-butoxycarbonyl-1-ethoxy)-3'-nitrophenyl 4-[4-(omega-alkenyloxy)phenyl]benzoate (1BC1ENPAPB) with large electroclinic (EC) effect and a large spontaneous polarization. Type I phase-matching has been observed in the angular dependence of SHG intensity in the Sm A phase. SHG intensity caused by the EC effect is proportional, to the square of applied electric field, and it has been found that the effective optical coefficient is proportional to electric field.
引用
收藏
页码：L104 / L107
页数：4
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