Short-Length and High-Aperture-Efficiency Horn Antenna Using Low-Loss Bulk Anisotropic Metamaterial

被引：26
|
作者：
He, Yingran [1 ]
Ding, Ning [1 ]
Zhang, Lingfei [1 ]
Zhang, Wenjing [1 ]
Du, Biao [1 ]
机构：
[1] China Elect Technol Grp Corp, Res Inst 54, Shijiazhuang 050081, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2015年 / 14卷
关键词：
Anisotropy; aperture efficiency; horn antenna; metamaterial; short length; BROAD-BAND; REFRACTION; LENS; INDEX;
D O I：
10.1109/LAWP.2015.2416005
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An empty horn antenna is filled with a bulk anisotropic metamaterial to enhance its gain and aperture efficiency. Radiation patterns in both the E-plane and the H-plane are improved owing to the anisotropic permittivity and the anisotropic permeability. Aperture efficiency over 70% is achieved despite of its short longitudinal length similar to lambda(0). Insertion loss below 0.18 dB and energy reflection below -20 dB are obtained, which are quite small compared to most metamaterial-based antennas. The metamaterial-filled horn is fabricated and tested, and the measured results agree very well with the simulated results.
引用
收藏
页码：1642 / 1645
页数：4
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