Widely Tunable Terahertz-Wave Source using an Organic DAST Crystal

被引：0
|
作者：
Taniuchi, Tetsuo [1 ]
Okada, Shuji [2 ]
Nakanishi, Hachiro [1 ]
机构：
[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan
[2] Yamagata Univ, Fac Engn, Yonezawa, Yamagata 9928510, Japan
来源：
NONLINEAR OPTICS QUANTUM OPTICS-CONCEPTS IN MODERN OPTICS | 2005年 / 34卷 / 1-4期
关键词：
DAST; Terahertz; Nonlinear optics; Difference frequency generation; Optical parametric oscillation; Organic crystal;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Widely tunable terahertz (THz) waves from 2 to 20 THz were generated in a 4-N, N-dimethylamino-4-N-methyl-stilbazolium tosylate (DAST) crystal by difference frequency mixing. We developed a dual-wavelength optical parametric oscillator (OPO) near 1550 nm using two KTP crystals as a light source. Power enhancement of THz-wave generation exceeding 100 nJ was achieved using high-quality DAST crystals by improving the OPO. Our tunable THz-wave source, which consists of a DAST and a dual wavelength OPO, should be useful for practical THz-imaging, THz-ranging, and spectroscopic applications.
引用
收藏
页码：57 / 60
页数：4
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