| 95 GHz三次谐波回旋管设计 |
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| 引用本文： | 孙迪敏, 马国武, 陈洪斌, 等. 95 GHz三次谐波回旋管设计[J]. 强激光与粒子束, 2012, 24: 2683-2686. doi: 10.3788/HPLPB20122411.2683 |
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| 作者姓名： | 孙迪敏 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;;;2.中国工程物理研究院 应用电子学研究所, 高功率微波技术重点实验室, 四川 绵阳 621 900 |
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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： | 采用线性理论和非线性理论研究了回旋管谐振腔结构、寄生模式抑制及注波互作用等问题。设计了一支工作在95 GHz的三次谐波回旋管，注波互作用结构采用标准开放式谐振单腔，工作模式为TE64, 采用电压45 kV、电流5 A、横纵速度比为1.5的小回旋电子注。在不考虑电子注速度离散及厚度的情况下，非线性理论分析表明，该回旋管可以获得14 kW功率输出，横向互作用效率约为18%，整管效率约11%。
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| 关 键 词： | 三次谐波 回旋管 起振电流 高次模式 非线性理论 |
| 收稿时间： | 2011-12-15 |
| 修稿时间： | 2012-03-13 |
Design of 95 GHz third-harmonic gyrotons |
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| Sun Dimin, Ma Guowu, Chen Hongbin, et al. Design of 95 GHz third-harmonic gyrotons[J]. High Power Laser and Particle Beams, 2012, 24: 2683-2686. doi: 10.3788/HPLPB20122411.2683 |
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| Authors: | Sun Dimin Ma Guowu Chen Hongbin Meng Fanbao Chen Huaibi |
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| Affiliation: | 1. Department of Engineering Physics,Tsinghua University,Beijing 100084,China;;;2. Laboratory of High Power Microwave Technology,Institute of Applied Electronics,CAEP,P.O.Box 919-1015,Mianyang 621900,China |
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| Abstract: | Some important issues, such as the characteristics of gyrotron resonator, suppression of spurious modes and beam-wave interaction, are studied by using linear and nonlinear theories. A 95 GHz gyrotron operating at the third cyclotron harmonic is designed. The gyrotron operates at the TE64 mode with a single standard open cavity. In this gyrotron a ideal 45 kV, 5 A electron beam with a pitch ratio of 1.5 is required. The gyrotron performance is analyzed with the nonlinear theory. It is shown that a 14 kW output power can be realized, the corresponding orbit efficiency and total efficiency are 18% and 11%, respectively. |
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| Keywords: | third-harmonic gyrotron start current high-order mode nonlinear theory |
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