0.22 THz二维电磁带隙波导和阵列天线设计

朱辉; 阎磊; 胡林林; 陈洪斌; 肖绍球

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0.22 THz二维电磁带隙波导和阵列天线设计

朱辉^1,2, ,,
阎磊²,
胡林林²,
陈洪斌²,
肖绍球¹,

1.
电子科技大学物理电子学院, 成都 61 0054;
2.
中国工程物理研究院应用电子学研究所, 四川绵阳 621 900

详细信息

通讯作者:
朱辉

计量
- 文章访问数: 1583
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- 被引次数: 0
出版历程
- 收稿日期: 2012-05-31
- 修回日期: 2012-11-01
- 刊出日期: 2013-03-09

Design of 0.22 THz twodimensional electromagnetic bandgap waveguide and array antenna

1.
School of Physical Electronics,University of Electronic Science and Technology of China,Chengdu 610054,China;
2.
Institute of Applied Electronics,CAEP,P.O.Box 9091015,Mianyang 621900,China

摘要

摘要: 基于二维电磁带隙（EBG）结构，设计了工作在0.22 THz的直波导传输线和90弯波导传输线。数值模拟结果显示：直波导和弯波导的S21参数在0.22 THz处均大于10-5 dB，20 GHz模拟频带内的S21参数分别大于-0.001 dB和-0.003 5 dB。EBG结构很好地阻止了电磁波在电磁带隙内部的传播。基于EBG结构波导，设计了3 dB功分器和H面扇形喇叭阵列天线。数值模拟结果显示：功分器的S21参数在0.22 THz处为-3 dB，阵列天线方向性为17.1 dBi，具有较小的旁瓣和后瓣，E面和H面方向图均具有良好对称性。
- 太赫兹 /
- 电磁带隙波导 /
- 3dB功分器 /
- H面喇叭阵列天线
Abstract: Based on twodimensional electromagnetic bandgap (2D EBG) structure, both straight and 90curving waveguide transmission lines working at 0.22 THz were designed. The numerical simulation result shows that the S21 parameters of straight and curving waveguides are both above 10-5 dB at 0.22 THz, they are above -0.001 dB and -0.003 5 dB respectively in the 20 GHz simulation frequency band, and the bandgap has good inhibition to the electromagnetic wave. Based on the EBG waveguide, 3 dB power divider and H plane horn array antenna were designed. Their numerical simulation result shows that the S21 parameter of the power divider is -3 dB at 0.14 THz, the array antenna has the directivity of 17.1 dBi with small side and back lobe, and both E plane and H plane patterns are symmetrical.
- THz /
- electromagnetic bandgap waveguide /
- 3 dB power divider /
- Hplane horn array antenna