Simulation research on influence of RF breakdown plasma on performance of relative backward wave oscillator

Yuang Yuzhang; Zhang Jun; Bai Zhen; Zhong Huihuang

doi:10.11884/HPLPB201830.170444

Volume 30 Issue 4

Apr. 2018

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Yuang Yuzhang, Zhang Jun, Bai Zhen, et al. Simulation research on influence of RF breakdown plasma on performance of relative backward wave oscillator[J]. High Power Laser and Particle Beams, 2018, 30: 043002. doi: 10.11884/HPLPB201830.170444

Citation:

Yuang Yuzhang, Zhang Jun, Bai Zhen, et al. Simulation research on influence of RF breakdown plasma on performance of relative backward wave oscillator[J]. High Power Laser and Particle Beams, 2018, 30: 043002. doi: 10.11884/HPLPB201830.170444

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Simulation research on influence of RF breakdown plasma on performance of relative backward wave oscillator

doi: 10.11884/HPLPB201830.170444

Institute of High Power Microwave Technology, College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China

Received Date: 2017-11-08
Rev Recd Date: 2017-12-13
Publish Date: 2018-04-15

Abstract

Abstract

RF breakdown of the metallic high frequency structures is an important reason of power decrease and pulse shortening; it is also an important limitation of the development of high power microwave (HPM) to higher power and longer pulse. The physical process of RF breakdown is pretty complicated, and the experiment research of RF breakdown is hard to conduct, thus simulation research becomes an important method. We simulated the influence of plasma on the performance of an X-band RBWO and a Ka-band RBWO by setting electron and ion emission from the surface of SWSs. The simulation results show that the formation of plasma in back SWSs will influence the performance of RBWO by influencing the electron beam. When the plasma consists of light ions and electrons, it will bring stronger influence on the beam wave interaction, leading to power decrease in a high degree. The breakdown plasma has a bigger influence on the Ka-band RBWO than X-band RBWO.
- high power microwave,
- RBWO,
- RF breakdown,
- PIC simulation

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References(12)

References

[1]	Baker R J. 高功率微波源技术[M]. 北京: 清华大学出版社, 2004. Baker R J. High-power microwave sources and technologies. Beijing: Tsinghua University Press, 2004
[2]	Benford J, Benford G. Survey of pulse shortening causes in high power microwave sources[J]. IEEE Tran on Plasma Sci, 1997, 25: 311-317. doi: 10.1109/27.602505
[3]	Goebel D M. Pulse shortening causes in high power BWO and TWT microwave sources[J]. IEEE Tran on Plasma Sci, 1998, 26(3): 63-247.
[4]	Korovin S D, Mesyats G A, Pegel I V, et al. Pulse width limitation in the relativistic backward wave oscillator[J]. IEEE Tran on Plasma Sci, 2000, 28(3): 485-494. doi: 10.1109/27.887654
[5]	Gunin A V, Klimov A I, Korovin S D. Relativistic X-band BWO with 3 GW pulse power[J]. IEEE Tran on Plasma Sci, 1998, 26(3): 326-333. doi: 10.1109/27.700761
[6]	Abubakirov E B, Deenisenko A N, Fuchs M I. Oversized BWO with selective Bragg mode converter[C]//Digest of Technical Papers, International Workshop on High Power Microwave Generation and Pulse Shortening. 1997: 139.
[7]	Goebel D M. Performance and pulse shortening effects in a 200 kV PASOTRON HPM source[J]. IEEE Tran on Plasma Sci, 1998, 26(3): 354-365. doi: 10.1109/27.700766
[8]	Calico S E, Agee F J, Clark M C. Rep-rate operation of a magnetically insulated line oscillator[C] // Proceeding of the 1st International Workshop on Crossed Field Devices. 1995.
[9]	Agee F J, Calico S E, Hendricks K J. Pulse shortening in the magnetically insulated line oscillator[C]// Proc of SPIE. 1996, 2843: 144-152.
[10]	张军. 新型过模慢波高功率微波发生器的研究[D]. 长沙: 国防科技大学, 2004. Zhang Jun. Investigations of a novel overmoded slow-wave high-power microwave generator. Changsha: National University of Defense Technology, 2004
[11]	常超. 高功率微波系统中的击穿物理[M]. 北京: 科学出版社, 2015. Chang Chao. Breakdown physics in high power microwave system. Beijing: Science press, 2015
[12]	Bai Zhen, Zhang Jun, Zhong Huihuang. A dual-mode operation overmoded coaxial millimeter-wave generator with high power capacity and pure transverse electric and magnetic mode output[J]. Physics of Plasma, 2016, 23: 043109. doi: 10.1063/1.4945645