Output Enhancement of a THz Wave Based on a Surface-Emitted THz-Wave Parametric Oscillator

被引：4
|
作者：
Li Zhong-Yang [1 ]
Yao Jian-Quan [2 ]
Xu De-Gang [2 ]
Bing Pi-Bin [1 ]
Zhong Kai [2 ]
机构：
[1] N China Univ Water Resources & Elect Power, Zhengzhou 450011, Peoples R China
[2] Tianjin Univ, Inst Laser & Optoelect, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2011年 / 28卷 / 11期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1088/0256-307X/28/11/114201
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
High-power nanosecond pulsed THz-wave radiation is achieved via a surface-emitted THz-wave parametric oscillator. One MgO:LiNbO3 crystal with large volume is used as the gain medium. THz-wave radiation from 1.084 THz to 2.654 THz is obtained. The maximum THz-wave average power is 5.8 mu W at 1.93 THz when the pump energy is 84 mJ, corresponding to a energy conversion efficiency of 6.9 x 10(-6). The polarization characteristics of THz wave are analyzed. During the experiments the radiations of the first-order and the second-order Stokes wave are observed.
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页数：3
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