0.65 THz回旋管双阳极电子枪的模拟与设计
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摘要
针对0.65THz二次谐波回旋振荡管的需求,对双阳极电子枪结构参量进行PIC模拟仿真。由于0.65THz二次谐波回旋管高频结构尺寸非常小,电子注与波互作用的引导中心半径更小,若要实现太赫兹器件的高功率、高效率输出,要求电子注速度离散足够小,层流性较好,需要对双阳极电子枪结构进行优化。经过大量模拟优化,得到了较好的结果,其电子注横纵速度比为1.28,速度离散为7.6%。
Based on the requirements of the 0.65 THz secondharmonicgyrotron,the parameters of double-anode magnetron injection gun(MIG)are simulated and optimized by PIC code.Because the 0.65 THz secondharmonicgyrotron has a very small high-frequency structure and a smaller guiding center radius of electron beam-wave interaction,the electron beam velocity spread should be small enough to achieve high-power and high-efficiency output.Based on sufficient simulation and optimization,a double-anode electron gun with velocity spread of 7.6% and velocity ratio of 1.28 is obtained.
Based on the requirements of the 0.65 THz secondharmonicgyrotron,the parameters of double-anode magnetron injection gun(MIG)are simulated and optimized by PIC code.Because the 0.65 THz secondharmonicgyrotron has a very small high-frequency structure and a smaller guiding center radius of electron beam-wave interaction,the electron beam velocity spread should be small enough to achieve high-power and high-efficiency output.Based on sufficient simulation and optimization,a double-anode electron gun with velocity spread of 7.6% and velocity ratio of 1.28 is obtained.
引文
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[7]吴浠桥,赵青,董爱香,等.回旋管电子枪的发展及其评述[J].真空电子技术,2007,(1):30-34.
[8]王文祥.微波工程技术[M].北京:国防工业出版社,2009:385-386.
[9]Zhang Yanyan,Yu Sheng,Zhang Tianzhong,et al.Design and Simulation Analysis of a Magnetron Injection Gun for a 0.42 THz Second Harmonic Gyrotron[J].J Fusion Energ,2015,34:1385-1391.
[10]Fu W,Chen C,Guan X,et al.Design of a Magnetron Injection Gun with Low Velocity Spread for 0.56THz Third Harmonic Gyrotron[J].2015IEEE International Vacuum Electronics Conference(IVEC),Beijing,2015:1-2.
[11]Kesar A S,Petillo J J,Nusinovich G S,et al.Design of a Magnetron Injection Gun for a 670-GHz 300-kW Gyrotron[J].IEEE Transactions on Plasma Science,2011,39(12):3337-3344.
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[13]牟秋玲.太赫兹回旋行波管电子枪的研究[D].成都:电子科技大学,2016.
[2]Singh U,Kumar N,Sinha A K.Magnetron Injection Gun for a Short Pulse,0.67THz Gyrotron for Remote Detection of Radioactive Materials[J].IEEE Transactions on Terahertz Science and Technology,2014,4(4):509-514.
[3]Jain C A,Verma A,Kumar A,et al.Design of TriodeType Magnetron Injection Gun for 460 GHz,50~100W,Gyrotron for Medical Spectroscopy[C].International Conference on Infrared,Millimeter and Terahertz Waves IEEE,2011:1-2.
[4]薛源.电子回旋脉塞电子光学系统研究[D].成都:电子科技大学,2015.
[5]吕国中.回旋管电子光学系统结构设计与优化[D].成都:电子科技大学,2017.
[6]Siegel P H.Terahertz Technology[J].IEEE Transactions on Microwave Theory and Techniques,2002,50(3):910-928.
[7]吴浠桥,赵青,董爱香,等.回旋管电子枪的发展及其评述[J].真空电子技术,2007,(1):30-34.
[8]王文祥.微波工程技术[M].北京:国防工业出版社,2009:385-386.
[9]Zhang Yanyan,Yu Sheng,Zhang Tianzhong,et al.Design and Simulation Analysis of a Magnetron Injection Gun for a 0.42 THz Second Harmonic Gyrotron[J].J Fusion Energ,2015,34:1385-1391.
[10]Fu W,Chen C,Guan X,et al.Design of a Magnetron Injection Gun with Low Velocity Spread for 0.56THz Third Harmonic Gyrotron[J].2015IEEE International Vacuum Electronics Conference(IVEC),Beijing,2015:1-2.
[11]Kesar A S,Petillo J J,Nusinovich G S,et al.Design of a Magnetron Injection Gun for a 670-GHz 300-kW Gyrotron[J].IEEE Transactions on Plasma Science,2011,39(12):3337-3344.
[12]Lawson W,Raghunathan H,Esteban M.Space-Charge Limited Magnetron Injection Guns for High-Power Gyrotrons[J].IEEE Transactions on Plasma Science,2004,32(3):1236-1241.
[13]牟秋玲.太赫兹回旋行波管电子枪的研究[D].成都:电子科技大学,2016.