| W波段三次谐波回旋管腔体设计 |
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| 引用本文： | 孙迪敏,宋睿,马国武,陈洪斌,孟凡宝,陈怀璧.W波段三次谐波回旋管腔体设计[J].强激光与粒子束,2013,25(1):82-86. |
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| 作者姓名： | 孙迪敏 宋睿 马国武 陈洪斌 孟凡宝 陈怀璧 |
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| 作者单位： | 1.清华大学 工程物理系, 北京 1 00084; |
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| 基金项目： | 中国工程物理研究院预研基金项目 |
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| 摘 要： | 采用冷腔分析研究了带有光阑结构的开放式谐振腔中的模式竞争，设计了采用TE61模式工作的W波段三次谐波回旋管谐振腔。PIC粒子模拟结果表明:在不考虑腔壁损耗及电子注能散的情况下，采用注电压45 kV、电流3 A的电子注，可以实现三次谐波单模稳定工作，并获得约20 kW的输出功率，对应工作效率14.8%。
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| 关 键 词： | 三次谐波 回旋管 光阑结构 起振电流 模式竞争 |
| 收稿时间： | 2012/2/20 |
Design of resonant cavity for W-band, third-harmonic gyrotrons |
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| Sun Dimin,Song Rui,Ma Guowu,Chen Hongbin,Meng Fanbao,Chen Huaibi.Design of resonant cavity for W-band, third-harmonic gyrotrons[J].High Power Laser and Particle Beams,2013,25(1):82-86. |
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| Authors: | Sun Dimin Song Rui Ma Guowu Chen Hongbin Meng Fanbao Chen Huaibi |
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| Institution: | 1.Department of Engineering Physics,Tsinghua University,Beijing 100084,China;2.Science and Technology on High Power Microwave Laboratory,Institute of Applied Electronics,CAEP,Mianyang 621900,China |
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| Abstract: | The mode competition of an open resonant cavity with iris structure is analyzed by using the cold cavity method. The design of a cavity for a W-band third-harmonic gyrotron operating at the TE61 mode is presented. PIC simulation results show that a single-mode third-harmonic radiation with a power of 20 kW can be expected at a beam voltage of 45 kV and current of 3 A, and the corresponding electron efficiency is 14.8%. |
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| Keywords: | third-harmonic gyrotron iris structure start current mode competition |
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