THz-wave parametric oscillator with a surface-emitted configuration

被引：110
|
作者：
Ikari, T
Zhang, XB
Minamide, H
机构：
[1] RIKEN, Photodynam Res Ctr, Aoba Ku, Sendai, Miyagi 9800845, Japan
[2] Tohoku Univ, Res Inst Elect Commun, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 04期
关键词：
D O I：
10.1364/OE.14.001604
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a surface-emitted cavity configuration for a terahertz-wave parametric oscillator that allows THz wave emission perpendicular to the crystal surface without any output coupler. The oscillating idler and pump waves are reflected at the surface of a nonlinear crystal in a single resonance cavity, satisfying the noncollinear phase-matching condition. The radiated THz wave has a Gaussian profile. The measured beam quality factors (M(2)) were 1.15 and 1.25 in the horizontal and vertical directions, respectively. The measured tunable range was 0.8-2.74 THz. A test of transmission imaging using a test pattern was demonstrated. (c) 2006 Optical Society of America.
引用
收藏
页码：1604 / 1610
页数：7
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