| 束流预调制型同轴虚阴极振荡器的初步理论分析 |
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| 引用本文： | 董烨,杨温渊,董志伟,孙会芳,周海京.束流预调制型同轴虚阴极振荡器的初步理论分析[J].强激光与粒子束,2009,21(4):0. |
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| 作者姓名： | 董烨 杨温渊 董志伟 孙会芳 周海京 |
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| 作者单位： | 1.清华大学 工程物理系 高能辐射成像国防重点学科实验室, 北京 1 00084; |
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| 摘 要： | 利用求解格林函数的方法，对束流预调制型同轴虚阴极振荡器进行了初步理论分析。分析结果表明，相同参数入射电子束同轴虚阴极振荡器的束波转换效率正比于预调制深度的平方，提高预调制的深度可以很好地提高束波转换效率；任意的束波互作用区结构参数和入射束流分布参数，都会存在一个对应工作状态下最大束波转换效率的最佳预调制频率，合理选择预调制频率可以优化同轴虚阴极振荡器的微波输出。
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| 关 键 词： | 同轴虚阴极振荡器 束流预调制 格林函数 束波互作用 |
| 收稿时间： | 1900-01-01; |
Design of external-wave and particle modules for 3D full electromagnetic and PIC simulation software |
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| Dong Ye,Yang Wenyuan,Dong Zhiwei,Sun Huifang,Zhou Haijing.Design of external-wave and particle modules for 3D full electromagnetic and PIC simulation software[J].High Power Laser and Particle Beams,2009,21(4):0. |
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| Authors: | Dong Ye Yang Wenyuan Dong Zhiwei Sun Huifang Zhou Haijing |
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| Affiliation: | 1.Key Laboratory of High Energy Radiation Imaging Fundamental Science for National Defense,Department of Engineering Physics,Tsinghua University,Beijing 100084,China;2.Northwest Institute of Nuclear Technology,P.O.Box 69-13,Xi’an 710024,China |
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| Abstract: | The algorithms of external-wave and particle modules were introduced for the 3D full electromagnetic and PIC simulation software. External-wave boundary module was studied, including coaxial-line, rectangular and cylindrical waveguide. The transmission characteristics were calculated and analyzed, including TEM in coaxial-line, TE10 in rectangular waveguide and TM10 in cylindrical waveguide. Particle boundary module was also studied, including particle emission and absorption. A coaxial diode was test which was designed for MILO. Its emission characteristic and input power of external-wave were studied and analyzed at different voltages. The simulated results demonstrated that electrons would show three different stage features: radial movement, axial drift, and drifting al |
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| Keywords: | 3D full electromagnetic and PIC simulation external-wave boundary particle boundary |
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