High-powered tunable terahertz source based on a surface-emitted terahertz-wave parametric oscillator

Zhongyang Li; Pibin Bing; Jianquan YaoDegang XuKai Zhong

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High-powered tunable terahertz source based on a surface-emitted terahertz-wave parametric oscillator

机译：High-powered tunable terahertz source based on a surface-emitted terahertz-wave parametric oscillator

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摘要

A high-powered pulsed terahertz (THz)-wave has been parametrically generated via a surface-emitted THz-wave parametric oscillator (TPO). The effective parametric gain length under the noncollinear phase matching condition was calculated for optimization of the parameters of the TPO. A large volume crystal of MgO:LiNbO_3 was used as the gain medium. THz-wave radiation covering a frequency range from 0.87 to 2.73 THz was obtained. The average power of the THz-wave was 9.12 μW at 1.75 THz when the pump energy was 94 mJ, corresponding to an energy conversion efficiency of about 9.7 × 10~(-6) and a photon conversion efficiency of about 0.156%. The THz-wave power in our experiments is high enough for practical applications to spectrum analysis and imaging.

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来源
《Optical Engineering》 |2012年第9期|091605-1-091605-4|共4页
作者
Zhongyang Li; Pibin Bing; Jianquan YaoDegang XuKai Zhong;
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作者单位

North China University of Water Resources and Electric Power, Institute of Electric Power, Zhengzhou, Henan 450011, China;

Tianjin University, College of Precision Instrument and Optoelectronics Engineering, Institute of Laser and Opto-electronics, Tianjin 300072, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
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High-powered tunable terahertz source based on a surface-emitted terahertz-wave parametric oscillator

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