Widely tunable terahertz-wave source using an organic DAST crystal

Tetsuo Taniuchi; Shuji Okada; Hachiro Nakanishi

Widely tunable terahertz-wave source using an organic DAST crystal

Tetsuo Taniuchi, Shuji Okada, Hachiro Nakanishi

学際科学フロンティア研究所・先端学際基幹研究部

研究成果: Article › 査読

抄録

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.

本文言語	English
ページ（範囲）	57-60
ページ数	4
ジャーナル	Nonlinear Optics Quantum Optics
巻	34
号	1-4 SPEC. ISS.
出版ステータス	Published - 2005 12 19

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Electronic, Optical and Magnetic Materials
Computer Science(all)
Atomic and Molecular Physics, and Optics
Instrumentation

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引用スタイル

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keywords = "DAST, Difference frequency generation, Nonlinear optics, Optical parametric oscillation, Organic crystal, Terahertz",

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AU - Okada, Shuji

AU - Nakanishi, Hachiro

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AB - 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.

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KW - Difference frequency generation

KW - Nonlinear optics

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