Three-dimensional particle-in-cell method of simulating high power terahertz gyrotrons with planar structure

doi:10.1088/1674-1056/23/6/068402

Abstract Based on analyzing the large-signal theory of the planar gyrotron, it is suggested that a simplified structure of the device is used for simulating this kind of device, with the working characteristics of the device kept unchanged, i.e., the same as those of the device with the original structure. Thus, the computational burden can be significantly reduced. Using the proposed method, we simulate a planar gyrotron with its simplified parameters by using the UNIPIC-3D code. Numerical results show that the working frequency, output power, and electron efficiency are respectively about 0.813 THz, 14 kW, and 21%.

Keywords: planar gyrotron terahertz particle simulation

Received: 23 October 2013
Revised: 30 November 2013
Accepted manuscript online:

PACS:	84.40.Fe	(Microwave tubes (e.g., klystrons, magnetrons, traveling-wave, backward-wave tubes, etc.))
	45.10.Db	(Variational and optimization methods)
	52.65.-y	(Plasma simulation)

Corresponding Authors: Wang Jian-Guo
E-mail: wanguiuc@mail.xjtu.edu.cn

Cite this article:

Chen Zai-Gao (陈再高), Wang Jian-Guo (王建国), Wang Yue (王玥), Qiao Hai-Liang (乔海亮), Guo Wei-Jie (郭伟杰), Zhang Dian-Hui (张殿辉) Three-dimensional particle-in-cell method of simulating high power terahertz gyrotrons with planar structure 2014 Chin. Phys. B 23 068402

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