Second harmonic generation and photorefractive effect in dye-doped liquid crystals

被引：5
|
作者：
Kim, HW
Mun, JH
Yoon, CS
Kim, JD [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Chem Engn, Taejon 305701, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 2001年 / 40卷 / 9AB期
关键词：
second harmonic generation; gain coefficient; photorefractivity; liquid crystals; NLO chromophore;
D O I：
10.1143/JJAP.40.L952
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Second harmonic generation (SHG) and photorefractive (PR) effects were observed in a PR cell of liquid crystals doped with nonlinear optical (NLO) chromophore. In general, photorefractive materials of liquid crystals have no second harmonic (SH) signals due to the absence of nonlinearity. However, we observed SHG using a Maker Fringes experimental setup and, simultaneously, the asymmetric energy exchange of high PR gain coefficient, 815 cm(-1), using the PR cell.
引用
收藏
页码：L952 / L954
页数：3
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