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
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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