Theoretical and numerical studies on a planar gyrotronwith transverse energy extraction

doi:10.1088/1674-1056/23/10/108401

›› 2014, Vol. 23 ›› Issue (10): 108401-108401.doi: 10.1088/1674-1056/23/10/108401

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Theoretical and numerical studies on a planar gyrotronwith transverse energy extraction

陈再高^{a b}, 王建国^{a b}, 王玥^b

a Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China;
b Northwest Institute of Nuclear Technology, Xi'an 710024, China

收稿日期:2013-12-24 修回日期:2014-04-26 出版日期:2014-10-15 发布日期:2014-10-15

Theoretical and numerical studies on a planar gyrotronwith transverse energy extraction

Chen Zai-Gao (陈再高)^{a b}, Wang Jian-Guo (王建国)^{a b}, Wang Yue (王玥)^b

a Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China;
b Northwest Institute of Nuclear Technology, Xi'an 710024, China

Received:2013-12-24 Revised:2014-04-26 Online:2014-10-15 Published:2014-10-15
Contact: Wang Jian-Guo E-mail:wanguiuc@mail.xjtu.edu.cn
About author:84.40.Fe; 45.10.Db; 52.65.-y

摘要/Abstract

摘要： In this paper, we study the planar gyrotron theoretically and numerically. Applying the large-signal theory to the planar gyrotron, the wave equation of electric field and the equation of motion of an electron are simultaneously solved to obtain some characteristic parameters, such as the phase-space plot of electrons, working frequency, startup time, electronic efficiency, and output power of the device. To verify the formulations used in this paper, three-dimensional particle simulations are performed on the same device, and the numerical results accord well with those obtained by using the large-signal theory. Theoretical and numerical results show that the electronic efficiency can reach 21% for the prototype of the planar gyrotron working at the frequency of 0.81 THz.

关键词: planar gyrotron, terahertz, large-signal theory, particle simulation

Abstract: In this paper, we study the planar gyrotron theoretically and numerically. Applying the large-signal theory to the planar gyrotron, the wave equation of electric field and the equation of motion of an electron are simultaneously solved to obtain some characteristic parameters, such as the phase-space plot of electrons, working frequency, startup time, electronic efficiency, and output power of the device. To verify the formulations used in this paper, three-dimensional particle simulations are performed on the same device, and the numerical results accord well with those obtained by using the large-signal theory. Theoretical and numerical results show that the electronic efficiency can reach 21% for the prototype of the planar gyrotron working at the frequency of 0.81 THz.

Key words: planar gyrotron, terahertz, large-signal theory, particle simulation

中图分类号: (Microwave tubes (e.g., klystrons, magnetrons, traveling-wave, backward-wave tubes, etc.))

84.40.Fe

45.10.Db (Variational and optimization methods) 52.65.-y (Plasma simulation)

陈再高, 王建国, 王玥. Theoretical and numerical studies on a planar gyrotronwith transverse energy extraction[J]. , 2014, 23(10): 108401-108401.

Chen Zai-Gao (陈再高), Wang Jian-Guo (王建国), Wang Yue (王玥). Theoretical and numerical studies on a planar gyrotronwith transverse energy extraction[J]. Chin. Phys. B, 2014, 23(10): 108401-108401.

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Theoretical and numerical studies on a planar gyrotronwith transverse energy extraction

Theoretical and numerical studies on a planar gyrotronwith transverse energy extraction

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