Dielectric-Resonator-Based Composite Right/Left-Handed Transmission Lines and Their Application to Leaky Wave Antenna

被引：50

作者：

Ueda, Tetsuya ^{[1
]}

Michishita, Naobumi ^{[2
]}

Akiyama, Masahiro ^{[1
]}

Itoh, Tatsuo ^{[3
]}

机构：

[1] Kyoto Inst Technol, Dept Elect, Kyoto 6068585, Japan

[2] Natl Def Acad, Dept Elect & Elect Engn, Kanagawa 2398686, Japan

[3] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2008年 / 56卷 / 10期

关键词：

Dielectric resonator; leaky wave antenna; periodic structures; rectangular waveguides;

D O I：

10.1109/TMTT.2008.2003524

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：

Propagation and radiation characteristics of I-D dielectric-resonator-based composite right/left-handed metamaterial structures with open mesh plates are investigated as a function of configuration parameters. The complex effective permittivity and permeability are estimated from the scattering parameters of the unit-cell structure. Based on this configuration, the single-mode transmission line is designed and the backfire-to-endfire frequency-scanned leaky wave antenna is implemented. It is found from numerical simulations that the 30-cell leaky wave antenna has a gain of 10 dBi with a scanning angle of over 900 covering backfire-to-endfire directions. The measurement results show as wide beam-steering angles as numerically predicted.

引用

页码：2259 / 2269

页数：11

共 19 条

[1] Array factor approach of Leaky-Wave antennas and application to 1-D/2-D composite right/left-handed (CRLH) structures [J].