Optical properties of 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate crystals at terahertz frequencies

被引：89
作者：
Stillhart, Marcel [1 ]
Schneider, Arno [1 ]
Guenter, Peter [1 ]
机构：
[1] ETH, Inst Quantum Elect, Nonlinear Opt Lab, CH-8093 Zurich, Switzerland
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2008年 / 25卷 / 11期
基金：
瑞士国家科学基金会;
关键词：
D O I：
10.1364/JOSAB.25.001914
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have measured the optical properties of 4-N,N-dimethylamino-4'-N'-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate (DSTMS), a highly nonlinear organic crystal, in the terahertz (THz) spectral range. The conditions for efficient THz pulse generation through optical rectification of near-infrared pulses have been calculated and confirmed experimentally. The results show that DSTMS as a source of THz radiation is superior to 4-N,N-dimethylamino-4'-N'-methyl-stilbazolium tosylate (DAST), a well-investigated nonlinear material with one of the highest nonlinear susceptibilities known so far. (C) 2008 Optical Society of America
引用
收藏
页码：1914 / 1919
页数：6
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