Design of 0.22 THz high power source with structure of surface-wave oscillator

Li Shuang; Wang Jianguo; Tong Changjiang; Wang Guangqiang; Lu Xicheng; Wang Xuefeng

doi:10.3788/HPLPB20132506.1489

Volume 25 Issue 06

Apr. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(06): 1489-1493

Qiu Weicheng, Wang Rui, Xu Zhongjie, et al. Optical crosstalk of HgCdTe PV linear array detector[J]. High Power Laser and Particle Beams, 2012, 24: 2324-2330. doi: 10.3788/HPLPB20122410.2325

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Li Shuang, Wang Jianguo, Tong Changjiang, et al. Design of 0.22 THz high power source with structure of surface-wave oscillator[J]. High Power Laser and Particle Beams, 2013, 25: 1489-1493. doi: 10.3788/HPLPB20132506.1489

Qiu Weicheng, Wang Rui, Xu Zhongjie, et al. Optical crosstalk of HgCdTe PV linear array detector[J]. High Power Laser and Particle Beams, 2012, 24: 2324-2330. doi: 10.3788/HPLPB20122410.2325

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Design of 0.22 THz high power source with structure of surface-wave oscillator

doi: 10.3788/HPLPB20132506.1489

1.
Northwest Institute of Nuclear Technology,Xi’an 710024,China; 2.School of Electronic and Information Engineering,Xi’an Jiaotong University,Xi’an 710049,China

Received Date: 2012-10-08
Rev Recd Date: 2012-12-07
Publish Date: 2013-04-08

Abstract

Abstract

In order to develop the compact high-power terahertz (THz) source, a 0.22 THz source is designed theoretically by adopting the structure of surface-wave oscillator (SWO). We focus on the influence of the slow-wave structure (SWS) on resonant frequency and optimization of the SWS. Combined with the choose of diode, the particle-in-cell (PIC) simulation is performed for the source. The results show that the optimum structure can work stably and generate a terahertz signal in the condition of a input voltage of 200 kV, a current of 2900 A, and a guiding magnetic field of 5 T. The resonant frequency of the output signal is about 0.22 THz, and the output power reaches 19.5 MW with its efficiency of about 3.3%.
- terahertz,
- surface-wave oscillator,
- slow-wave structure,
- particle-in-cell simulation

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