Optical second-harmonic generation enhanced by a twist defect in ferroelectric liquid crystals

被引：18
|
作者：
Hoshi, H [1 ]
Ishikawa, K [1 ]
Takezoe, H [1 ]
机构：
[1] Tokyo Inst Technol, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan
来源：
PHYSICAL REVIEW E | 2003年 / 68卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.68.020701
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Second-harmonic generation (SHG) spectra were numerically calculated in ferroelectric liquid crystals with a twist defect. It is shown that SHG is enhanced when the SHG wavelength is close to the defect mode. The spectral width of the enhanced peak becomes sharper with increasing the sample thickness at the same rate for the width of the defect mode peak. The SHG peak intensity increases with about seventh power of the sample thickness.
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页数：3
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