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一种直角转弯圆波导模式转换器设计

梁源 刘庆想 张健穹 李相强

梁源, 刘庆想, 张健穹, 等. 一种直角转弯圆波导模式转换器设计[J]. 强激光与粒子束, 2018, 30: 083005. doi: 10.11884/HPLPB201830.180074
引用本文: 梁源, 刘庆想, 张健穹, 等. 一种直角转弯圆波导模式转换器设计[J]. 强激光与粒子束, 2018, 30: 083005. doi: 10.11884/HPLPB201830.180074
Liang Yuan, Liu Qingxiang, Zhang Jianqiong, et al. Design of mode converter using orthogonal circular waveguide[J]. High Power Laser and Particle Beams, 2018, 30: 083005. doi: 10.11884/HPLPB201830.180074
Citation: Liang Yuan, Liu Qingxiang, Zhang Jianqiong, et al. Design of mode converter using orthogonal circular waveguide[J]. High Power Laser and Particle Beams, 2018, 30: 083005. doi: 10.11884/HPLPB201830.180074

一种直角转弯圆波导模式转换器设计

doi: 10.11884/HPLPB201830.180074
基金项目: 

中央高校基本科研业务费专项基金项目 2682014ZT20

详细信息
    作者简介:

    梁源(1990-), 男, 博士,从事高功率微波天线技术研究;liang_yuan126@126.com

    通讯作者:

    张健穹(1983-), 男, 教授,从事高功率微波技术研究;qilinxing@163.com

  • 中图分类号: TN814

Design of mode converter using orthogonal circular waveguide

  • 摘要: 设计了一种尺寸紧凑并具有高功率容量的圆波导TE11-TM01模式转换器,结构呈直角转弯形状。该转换器利用传输TE11模式的圆波导与其E面分支耦合进行模式转换,并在TM01输出端口的反向传输短路面加入调配螺钉来拓宽频带。设计结果表明,转换器在工作频率12.7 GHz处的转换效率为99.6%,大于90%的带宽约20%,填充SF6绝缘气体工作时可获得12 MW的功率容量。
  • 图  1  转换器三维透视图

    Figure  1.  3-D diagram of the proposed mode converter

    图  2  转换器剖面图

    Figure  2.  Profile of the mode converter

    图  3  波导截面上的矢量场

    Figure  3.  Vector fields in the cross sections

    图  4  转换器内的电场强度分布

    Figure  4.  E-field distribution inside the mode converter

    图  5  TM01模式的转换效率

    Figure  5.  Conversion efficiency of TM01 mode

    图  6  螺钉直径对转换效率的影响

    Figure  6.  Curves for conversion efficiency versus different diameters of the screw

    图  7  螺钉高度对转换效率的影响

    Figure  7.  Curves for conversion efficiency versus different heights of the screw

    图  8  转换器驻波比测量

    Figure  8.  Measurement of VSWR

    图  9  驻波比测量结果与计算值对比

    Figure  9.  Simulated and measured VSWR

    表  1  最大场强值在同一频率下的对比

    Table  1.   Comparison of the maximum E-fields at the same frequency

    maximum E-field/(V·m-1) frequency/GHz
    this paper 322 1.75
    324 1.79
    Ref.[10] 750 1.75
    Ref.[11] 580 1.79
    下载: 导出CSV
  • [1] Yang S W, Li H F. Optimization of novel high-power millimeter-wave TM01-TE11 mode converters[J]. IEEE Trans Microwave Theory and Techniques, 1997, 45(4): 552-554. doi: 10.1109/22.566638
    [2] Lee B M, Lee W S, Yoon Y J, et al. X-band TM01-TE11 mode converter with short length for high power[J]. Electronic Letters, 2004, 40(18): 1126-1127. doi: 10.1049/el:20045306
    [3] 唐世荣, 杨梓强, 兰峰. 介质填充圆波导中TM01-TE11模式变换的理论和实验研究[J]. 微波学报, 2008, 24(6): 78-81. https://www.cnki.com.cn/Article/CJFDTOTAL-WBXB200806018.htm

    Tang Shirong, Yang Ziqiang, Lan Feng. Study on circular waveguide TM01-TE11 mode converter loaded with dielectric. Journal of Microwave, 2008, 24(6): 78-81 https://www.cnki.com.cn/Article/CJFDTOTAL-WBXB200806018.htm
    [4] Wang Dong, Qin Fen, Xu Sha, et al. A metallic photonic crystal high power microwave mode converter[J]. Appl Phys Lett, 2013, 102: 244107. doi: 10.1063/1.4811645
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    Ding Dungao, Qian Baoliang, Yuan Chengwei. Numerical simulation of novel TM01-TE11 mode converter with slow-wave structure. High Power Laser and Particle Beams, 2007, 19(6): 966-970 http://www.hplpb.com.cn/article/id/2842
    [6] 陈代兵, 范植开, 周海京, 等. L波段硬管磁绝缘线振荡器的研制[J]. 强激光与粒子束, 2007, 19(8): 1352-1356. http://www.hplpb.com.cn/article/id/3228

    Chen Daibing, Fan Zhikai, Zhou Haijing, et al. L-band hard-tube magnetically insulated line oscillator. High Power Laser and Particle Beams, 2007, 19(8): 1352-1356 http://www.hplpb.com.cn/article/id/3228
    [7] Eisenhart R L. A novel wideband TM01-to-TE11 mode converter[C]//1998 IEEE MTT-S International Microwave Symposium Digest. 1998: 249-252.
    [8] Yuan C W, Zhong H H, Liu Q X, et al. A novel TM01-TE11 circularly polarized (CP) mode converter[J]. IEEE Microwave and Wireless Components Letters, 2006, 16(8): 455-457.
    [9] Zhao P C, Liao C, Lin W B. Propagation of high-power microwave pulse in air-SF6 mixtures at high pressure[J]. International Journal of Applied Electromagnetics and Mechanics, 2013, 43: 257-269. doi: 10.3233/JAE-131698
    [10] Peng Shengren, Yuan Chengwei, Zhong Huihuang, et al. Design and experiment of a cross-shaped mode converter for high-power microwave applications[J]. Review of Scientific Instruments, 2013, 84: 124703. doi: 10.1063/1.4850656
    [11] Zhao X L, Yuan C W, Liu L, et al. GW TEM-mode phase shifter for high-power microwave applications[J]. IEEE Trans Plasma Science, 2016, 44(3): 268-272. doi: 10.1109/TPS.2016.2523122
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出版历程
  • 收稿日期:  2018-03-16
  • 修回日期:  2018-04-26
  • 刊出日期:  2018-08-15

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