28 GHz/50 kW准光输出连续波回旋管 |
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引用本文: | 胡林林,马国武,孙迪敏,卓婷婷,黄麒力,谭志远,龚胜刚,陈洪斌,孟凡宝.28 GHz/50 kW准光输出连续波回旋管[J].强激光与粒子束,2019,31(6):060101-1-060101-2. |
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作者姓名: | 胡林林 马国武 孙迪敏 卓婷婷 黄麒力 谭志远 龚胜刚 陈洪斌 孟凡宝 |
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作者单位: | 中国工程物理研究院 应用电子学研究所, 四川 绵阳 621900 |
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基金项目: | 国家自然科学基金项目U1830201中物院创新发展基金项目CX2019038中物院创新发展基金培育项目PY2019130 |
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摘 要: | 研制出国内首支基于电子回旋加热应用的28 GHz/50 kW准光输出大功率连续波回旋管。该回旋管采用了双阳极磁控注入枪,TE02模式谐振腔,内置准光模式变换器,单级降压收集极。回旋管采用无液氦制冷超导磁体提供稳态磁场。实验中成功实现54.8 kW/1 s短脉冲输出和45.8 kW/30 s的连续波输出,工作频率为28.08 GHz,总效率达到57%。
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关 键 词: | 回旋管 28 GHz 电子回旋加热 连续波 准光输出 |
收稿时间: | 2019-05-01 |
A 28 GHz/50 kW continuous wave gyrotron with quasi-optical output |
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Institution: | Institute of Applied Electronics, CAEP, Mianyang 621900, China |
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Abstract: | Aiming for electron cyclotron heating application in plasma fusion system, a 28 GHz 50 kW gyrotron has been developed and fabricated. The gyrotron employs a triode magnetron injection gun, a conventional cylindrical cavity working under TE02 mode, a built-in quasi-optical mode converter with conversion efficiency of about 95%. In the experiment, Gaussian beams of 54.8 kW for 1 s pulse and 45.6 kW for 30 s continuous wave at 28.08 GHz were achieved. The corresponding total efficiency is 57%. |
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