Tunable terahertz-wave generation from DAST crystal by dual signal-wave parametric oscillation of periodically poled lithium niobate

被引：155

作者：

Kawase, K

Hatanaka, T

Takahashi, H

Nakamura, K

Taniuchi, T

Ito, H

机构：

[1] RIKEN, Photodynam Res Ctr, Aoba Ku, Sendai, Miyagi 9800868, Japan

[2] Tohoku Univ, Elect Commun Res Inst, Aoba Ku, Sendai, Miyagi 9808577, Japan

来源：

OPTICS LETTERS | 2000年 / 25卷 / 23期

关键词：

D O I：

10.1364/OL.25.001714

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The first known demonstration of tunable terahertz-wave generation by difference-frequency generation of dual signal-wave quasi-phase-matched optical parametric oscillation was performed with periodically poled LiNbO3 (PPLN) with a series of gratings. An organic ionic salt, 4-dimethylamino-N-methyl-4-stilbazolium-tosylate (DAST), was used as a nonlinear crystal. A compact terahertz-wave source resulted, and changing the temperature of the PPLN permitted the wavelength to be varied from 120 to 160 mum. The wavelength could be tuned from 100 to 700 mum by proper selection of combinations of periodically poled gratings. (C) 2000 Optical Society of America.

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页码：1714 / 1716

页数：3

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