| 小型化外腔可调谐THz参量振荡器 |
| |
| 引用本文： | 徐德刚,蒋浩,张昊,王与烨,李忠洋,钟凯,赵刚,杨闯,高恒,姚建铨.小型化外腔可调谐THz参量振荡器[J].强激光与粒子束,2013,25(6):1465-1468. |
| |
| 作者姓名： | 徐德刚 蒋浩 张昊 王与烨 李忠洋 钟凯 赵刚 杨闯 高恒 姚建铨 |
| |
| 作者单位： | 1.天津大学 精密仪器与光电子工程学院, 天津 300072; |
| |
| 摘 要： | 基于LiNbO3晶体垂直表面输出技术，设计了一台小型化外腔THz参量振荡器。利用小型化灯1064 nm脉冲激光器泵浦MgO:LiNbO3，通过优化设计三波非共线相位匹配的光学参量振荡腔结构，实现THz垂直晶体表面输出，减少LiNbO3晶体对THz波的吸收，提高了THz波输出光束质量。当在泵浦光能量为128 mJ、重复频率为10 Hz时，获得THz波的调谐范围为0.69~3.01 THz，在1.6 THz处获得THz波最大平均功率为10.8 W，脉冲宽度为10 ns，对应THz波能量转换效率为8.4310-6。
|
| 关 键 词： | 光学太赫兹 光学参量振荡 可调谐 表面垂直输出 |
| 收稿时间： | 2012-11-09; |
Miniature tunable extracavity terahertz parametric oscillator |
| |
| Xu Degang,Jiang Hao,Zhang Hao,Wang Yuye,Li Zhongyang,Zhong Kai,Zhao Gang,Yang Chuang,Gao Heng,Yao Jianquan.Miniature tunable extracavity terahertz parametric oscillator[J].High Power Laser and Particle Beams,2013,25(6):1465-1468. |
| |
| Authors: | Xu Degang Jiang Hao Zhang Hao Wang Yuye Li Zhongyang Zhong Kai Zhao Gang Yang Chuang Gao Heng Yao Jianquan |
| |
| Institution: | 1.College of Precision Instrument and Opto-electronics Engineering,Tianjin University,Tianjin 300072,China;2.Key Laboratory of Optoelectronic Information Science and Technology of Education Ministry,Tianjin University,Tianjin 300072,China;3.North China University of Water Resources and Electric Power,Zhengzhou 450011,China;4.No.209 Research Institute of China Ordnance Industries,Chengdu 610041,China |
| |
| Abstract: | A miniature extracavity terahertz(THz) parametric oscillator is proposed based on surface-emitted technology. Using a small sized pulsed laser to pump MgO:LiNbO3 crystal, the THz-wave is emitted perpendicularly to the crystal surface by optimization design of three-wave non-collinear phase-matching optical parametric oscillation structure. This configuration can reduce the absorption of the THz-wave and improve the beam quality. The THz-wave can be tuned from 0.69 THz to 3.01 THz. When the pump energy is 128 mJ, the maximum average power of the THz-wave is 10.8 μW at 1.6 THz , corresponding to an energy conversion efficiency of 8.43×10-6. This room-temperature-operated, miniature system is suited to a variety of applications such as spectral analysis and THz communications. |
| |
| Keywords: | optical parametric oscillator tunable surface emitted |
|
| 点击此处可从《强激光与粒子束》浏览原始摘要信息 |
| 点击此处可从《强激光与粒子束》下载免费的PDF全文 |
|
