| TE_(02)模式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,马国武,黄银虎,卓婷婷,陈洪斌.TE_(02)模式W波段三次谐波回旋管腔体设计[J].强激光与粒子束,2015,27(12):123004. |
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| 作者姓名： | 孙迪敏 马国武 黄银虎 卓婷婷 陈洪斌 |
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| 作者单位： | 1.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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| 摘 要： | 设计了用于W波段三次谐波回旋管的带有iris结构的开放式谐振腔。采用低损耗圆对称模式TE_(02)工作。起振电流为2.9A,欧姆效率67%。PIC数值模拟结果表明,TE_(02)模式在iris谐振腔中可以实现稳定的W波段三次谐波单模振荡。当电压为45kV、电流为4A、横纵速度比为1.5时,可以获得25.7kW功率输出,对应的工作效率为14.3%。
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| 关 键 词： | 三次谐波 回旋管 W波段 iris结构 |
| 收稿时间： | 2015-07-10 |
Design of iris cavity for TE02 mode W-band third harmonic gyrotron |
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| Affiliation: | 1.Science and Technology on High Power Microwave Laboratory,Institute of Applied Electronics,CAEP,P.O.Box 919-1015,Mianyang 621900,China |
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| Abstract: | The design of an iris cavity for a W-band third harmonic gyrotron is presented. The gyrotron is designed to operate at the low loss, circular symmetric TE02 mode. The minimum start current is 2.9 A and the ohmic efficiency is 67%. When the gyrotron is driven by a 45 kV, 4 A electron beam with an orbital-to-axial velocity ratio equal to 1.5, an output power of 25.7 kW at 94.8 GHz is predicted from PIC simulation, corresponding to an efficiency of 14.3%. |
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