A highly directive dipole antenna embedded in a Fabry-Perot type cavity

被引：67
|
作者：
Akalin, T [1 ]
Danglot, J [1 ]
Vanbésien, O [1 ]
Lippens, D [1 ]
机构：
[1] Univ Lille, Inst Electron & Microelectron Nord, Lille, France
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2002年 / 12卷 / 02期
关键词：
dielectric Bragg mirror; Fabry-Perot cavity; high directive antenna;
D O I：
10.1109/7260.982873
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：
We investigate the origin of the directivity of a dipole antenna embedded in a dielectric slab Fabry-Perot cavity. It is shown that the focusing effect is due to the angular selection rules in the Bragg-type mirror and is directly correlated to the frequency selectivity of the cavity. For a 6 GHz resonant device, having a quality factor of 100, the aperture of the beam pattern (E-H plane) is close to 12 in agreement with the arguments based on frequency and angular selectivities. Hence, this kind of cavity could be used in free-space based communication links.
引用
收藏
页码：48 / 50
页数：3
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