A tri-band mode conversion system for high-power microwave applications

被引：5
|
作者：
Wang, Keqiang [1 ]
Li, Hao [1 ]
Cai, Chen [1 ]
Luo, Yong [1 ]
Hu, Biao [1 ]
Li, Tianming [1 ]
Wang, Haiyang [1 ]
Zhou, Yihong [1 ]
He, Chaoxiong [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu 610054, Peoples R China
来源：
AIP ADVANCES | 2021年 / 11卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Circular waveguides;
D O I：
10.1063/5.0049578
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
To realize multi-band mode conversion in a high-power microwave incoherent power combination system, a tri-band conversion system (at X-, Ku-, and Ka-bands) is proposed in this paper. The tri-band conversion system mainly consists of three parts: a dual-band multiplexer, a circular waveguide with a 90 degrees bend, and a tri-band mode converter. To investigate the mode coupling characteristics in the system, every part is carefully analyzed and verified. Numerical and simulation results show that the final conversion efficiencies of the conversion system are 98.9% [coaxial transverse electromagnetic (TEM) mode-coaxial TE11 mode at 10.16 GHz], 99.1% (coaxial TEM mode-coaxial TE11 mode at 14.45 GHz), and 99.6% (circular TM01-circular TE11 at 30.5 GHz). Meanwhile, its maximum power handling capacities reached 1.5 GW, 957.6 MW, and 726.2 MW. The good agreement between theoretical analyses and simulation results demonstrates that the proposed tri-band system is feasible in high-power microwave applications.
引用
收藏
页数：9
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