Enhancing Frequency-Scanning Response of Leaky-Wave Antennas Using High-Impedance Surfaces

被引：45
|
作者：
Garcia-Vigueras, Maria [1 ]
Luis Gomez-Tornero, Jose [1 ]
Goussetis, George [2 ]
Weily, Andrew R. [3 ]
Guo, Y. Jay [3 ]
机构：
[1] Tech Univ Cartagena, Dept Commun & Informat Technol, Cartagena 30202, Spain
[2] Queens Univ, Inst Elect Commun & Informat Technol, Belfast BT3 9DT, Antrim, North Ireland
[3] CSIRO, ICT Ctr, Epping, NSW 1710, Australia
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2011年 / 10卷
关键词：
Frequency beam scanning; high-impedance surfaces (HISs); leaky-wave antennas (LWAs);
D O I：
10.1109/LAWP.2011.2107492
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：
The use of high-impedance surfaces (HISs) to increase the frequency-scanning sensitivity of hollow leaky-wave antennas (LWAs) is presented. The LWA consists of a hollow rectangular waveguide with one of its narrow walls replaced by a partially reflective surface, and it is loaded with a metallodielectric HIS to increase its beam-scanning response. Theoretical results based on a simple transverse equivalent network illustrate the physical mechanism responsible for the improvement, and they are verified by experiments on a prototype working in the 11-16 GHz band.
引用
收藏
页码：7 / 10
页数：4
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