相对论返波管超辐射产生与辐射的数值模拟研究

陈再高; 王建国; 王玥; 朱湘琴; 张殿辉; 乔海亮

doi:10.7498/aps.63.038402

摘要

本文研究了相对论返波管产生X波段超辐射问题，产生中心频率为9.25 GHz的电磁脉冲，并在相对论返波管的输出端直接接入VLASOV辐射天线. 提出将粒子模拟软件UNIPIC与自行研制的天线辐射模块相结合，实现超辐射现象微波的产生以及辐射的全过程模拟，并研究了输出功率随注入波脉冲以及填充稀有气体气压的变化. 模拟结果表明，器件的峰值功率可以达到3.68 GW，瞬时效率超过100%，VLASOV天线在斜切角为20°时，天线的增益达到15.5 dB，在1 km处的功率密度可达到0.728 W/cm2.

关键词:

Abstract

This paper studies the issues about the X-band super-radiance from a relativistic backward wave oscillator (RBWO) with the central frequency of 9.25 GHz, and the output port of the RBWO is directly connected to a vlasov antenna. The particle simulation code UNIPIC and the self-developed antenna simulation code are combined to simulate the full process of the generation and the radiation of the microwave pulse. Effects of natural gas at difference pressures and injected voltage pulse on the working characteristics of RBWO are simulated and discussed. Simulated results indicate that the peak value of the output power can achieve 3.68 GW, and the instantaneous efficiency can exceed 100%. When the tilted angle of vlasov antenna is 20 degrees, the gain of the antenna is 15.5 dB. The power density can reach 0.728 W/cm2 at the far distance of 1 km.

Keywords:

super-radiance /
relativistic backward wave oscillators /
particle simulation /
vlasov

作者及机构信息

1.
西安交通大学, 电子与信息工程学院, 西安 710049;

2.
西北核技术研究所, 西安 710024

Authors and contacts

1.
School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an 710049, China;

2.
Northwest Institute of Nuclear Technology, Xi’an 710024, China

参考文献

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施引文献

[1]	Barker R J and Schamiloglu E 2001 High-Power Microwave Sources and Technologies (IEEE Press, New York) pp7–32, pp376–437
[2]	Shao H, Liu G Z 2001 Acta Phys. Sin. 50 2387 (in Chinese) [邵浩, 刘国治 2001 50 2387]
[3]	Lu Z G, Gong Y B, Wei Y Y, Wang W X 2006 Chin. Phys. 15 2661
[4]	Song W, Lin Y Z, Liu G Z, Shao H 2008 Chin. Phys. B 17 939
[5]	Li W, Liu Y G, Yang J H 2012 Acta Phys. Sin. 61 038401(in Chinese)[李伟, 刘永贵, 杨建华2012 61 038401]
[6]	Ginzburg N S, Novozhilova N Y, Zotova I V, Sergeev A S, Peskov N Y, Phelps A D, Wiggins S M, Cross A W, Ronald K, He W, Shpak V G, Yalandin M I, Shunailov S A, Ulmaskulov M R, Tarakanov V P 1999 Phys. Rev. E 60 3297
[7]	Zhang H, Wang J G, Tong C J, Li X Z, Wang G Q 2009 Phys. Plasmas 16 123104
[8]	Song W, Zhang X, Chen C, Sun J, Song Z 2013 IEEE Trans. Electron Dev. 60 494
[9]	Wang J, Zhang D, Liu C, Li Y, Wang Y, Wang H, Qiao H, Li X 2009 Phys. Plasmas 16 033108
[10]	Wang J, Wang Y, and Zhang D 2006 IEEE Trans. Plasma Sci. 34 681
[11]	Li X Z, Wang J G, Tong C J, Zhang H 2008 Acta Phys. Sin. 57 4613(in Chinese)[李小泽, 王建国, 童长江, 张海2008 57 4613]
[12]	Liu G Z, Yang Z F, Sun J, et al. 2009 IEEE Transactions on Plasma Science 37 2048
[13]	Xiao R, Song W, Song Z, Sun J, Shao H, Chen C 2010 Phys. Plasmas 17 043109
[14]	Chen Z G, Wang J G, Wang Y, Qiao H L, Guo W J, Zhang D H 2013 Acta Phys. Sin. 62 168402(in Chinese)[陈再高, 王建国, 王玥, 乔海亮, 郭伟杰, 张殿辉 2013 62 168402]
[15]	Li X Z, Wang J G, Song Z M, Chen C H, Sun J, Zhang X W, Zhang Y C 2012 Phys. Plasmas 19 083111
[16]	Wang G, Wang J, Tong C, Li X, Wang X, Li S, Lu X 2013 Phys. Plasmas 20 043105
[17]	Li S, Wang J, Tong C, Wang G, Lu X, Wang X 2013 Acta Phys. Sin. 62 120703(in Chinese)[李爽, 王建国, 童长江, 王光强, 陆希成, 王雪锋2013 62 120703]
[18]	Wang G, Wang J, Li S, Wang X, Tong C, Lu X 2013 Acta Phys. Sin. 62 150701(in Chinese)[王光强, 王建国, 李爽, 王雪锋, 童长江, 陆希成 2013 62 150701]
[19]	Wang Y, Chen Z G, Lei Y A 2013 Acta Phys. Sin. 62 125204(in Chinese)[王宇, 陈再高, 雷奕安2013 62 125204]
[20]	Li X, Wang J, Sun J, Song Z, Ye H, Zhang Y, Zhang L, Zhang L 2013 IEEE Transactions on Electron Devices 60 2931
[21]	Birdsall C K, Langdon A B 1981 Plasma Physics via Computer Simulation (New York: McGraw-Hill)
[22]	Wang J G 2013 Modern Applied Physics 4 251 (in Chinese)[王建国 2013 现代应用物理 4 251]
[23]	Wang J G, Liu G Z, Zhou J S 2003 High Power Laser and Particle Beams 15 1093 (in Chinese) [王建国, 刘国治, 周金山 2003 强激光与粒子束 15 1093]
[24]	Wang J, Cai L, Zhu X, Wang Y, Xuan C 2010 Phys. Plasmas 17 063503
[25]	Liu X H, He W, Yang F, Wang H Y, Liao R J, Xiao H G 2012 Chin. Phys. B 21 075201
[26]	Cai L, Wang J 2009 Acta Phys. Sin. 58 3268(in Chinese)[蔡利兵, 王建国 2009 58 3268]
[27]	Wang J, Tian C, Liu X, Ge D 2001 High Power Laser and Particle Beams 13 732 (in Chinese)[王建国, 田春明, 刘小龙, 葛德彪 2001 强激光与粒子束 13 732]
[28]	Johnson J M, Rahmat-Samii Y 1997 IEEE Antennas Propag. Mag. 39 7
[29]	Weile D S, Michielssen E 1997 IEEE Trans. Antennas Propag. 45 343
[30]	Rahmat-Samii Y, Michielssen E 1999 Electromagnetic Optimization by Genetic Algorithms (New York: Wiley)
[31]	Wang J, Chen Z, Wang Y, Zhang D, Liu C, Li Y, Wang H, Qiao H, Fu M, Yuan Y 2010 Phys. Plasmas 17 073107

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