| 8 mm二次谐波回旋速调管谐振腔设计研究 |
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| 引用本文： | 雷朝军,喻胜.8 mm二次谐波回旋速调管谐振腔设计研究[J].强激光与粒子束,2006,18(11):1893-1897. |
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| 作者姓名： | 雷朝军 喻胜 |
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| 作者单位： | 1. 中国人民武装警察部队学院, 河北 廊坊 065000； 2. 电子科技大学 物理电子学院, 成都 610054 |
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| 摘 要： | 结合回旋速调管研究的相关理论，考虑到高次谐波工作时带来的模式竞争，以及注-波互作用的耦合关系，讨论了在半径、腔长、杂模抑制以及腔内媒质涂层的介电参量等诸多因数影响的情况下，如何设计二次谐波回旋速调管谐振腔的问题。结合设计方法建模，优化设计出了5个适于8 mm二次谐波工作的谐振腔，通过漂移段连接成两种高频结构，其中一种结构在注-波互作用非线性模拟中取得了251 kW的输出功率，电子效率 23.9%，增益 27.2 dB，3 dB带宽大于0.4%；另一种结构初步取得了246 kW的输出功率，其它参数正在测试之中。
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| 关 键 词： | 谐振腔 高频结构 耦合系数 介电参量 引导中心半径 驻波场 |
| 文章编号： | 1001-4322（2006）11-1893-05 |
| 收稿时间： | 2006-08-07 |
| 修稿时间： | 2006-10-31 |
Cavity for 8 mm second-harmonic gyroklystron amplifier |
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| LEI Chao-jun,YU Sheng.Cavity for 8 mm second-harmonic gyroklystron amplifier[J].High Power Laser and Particle Beams,2006,18(11):1893-1897. |
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| Authors: | LEI Chao-jun YU Sheng |
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| Institution: | 1. Chinese People’s Armed Police Forces Academy, Langfang 065000, China;2. School of Physical Electronices, University of Electronics Science and Technology of China, Chengdu 610054, China |
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| Abstract: | This paper presents how to design cavities for 8 mm second-harmonic gyroklystron amplifier based on the theory of gyroklystron amplifier.A lot of factors,such as the radius,length of cavity,modes competing,beam-wave coupling coefficient and the character of coated medium which can restrain the unwanted modes are discussed.Two high frequency structures composed of five designed cavities are tested,one has obtained an output power of about 251 kW with an efficiency of 23.9%,a gain of 27.2 dB and the 3 dB bandwidth is over 0.4%.The other has obtained an output power of about 246 kW and the other parameters are to be tested. |
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| Keywords: | Cavity High frequency structure Coupling coefficient Parameter of medium Guide-centre radius Standing wave field |
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