Spoof Plasmon-Based Slow-Wave Excitation of Dielectric Resonator Antennas

被引：98

作者：

Kianinejad, Amin ^{[1
,2
]}

Chen, Zhi Ning ^{[1
,2
]}

Zhang, Lei ^{[1
]}

Liu, Wei ^{[1
]}

Qiu, Cheng-Wei ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117583, Singapore

[2] Agcy Sci Technol & Res, Inst Infocomm Res, Singapore 138632, Singapore

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2016年 / 64卷 / 06期

关键词：

Antenna feed; antenna radiation pattern; dielectric resonator antennas (DRAs); omnidirectional antenna; periodic structures; plasmons; SURFACE-PLASMONS; POLARIZATION; ULTRATHIN; DESIGN;

D O I：

10.1109/TAP.2016.2545738

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：

A spoof plasmon (SP)-based slow-wave feeding configuration is proposed, experimentally verified and exploited to excite the fundamental horizontally polarized mode of dielectric resonator antennas (DRAs). As an example, a cylindrical DRA operating at 3 GHz is fed by the proposed feeding structure. The simulation and measurement evidence the unique features of TE01 delta mode such as lower thickness-dependency of the resonant frequencies, superb miniaturization and ultra-compactness, and omnidirectional radiation for horizontally polarized waves. We anticipate that the ground-free SP-based feeding technique could be applied to effectively excite the more "unusual" modes of the isolated DRAs.

引用

页码：2094 / 2099

页数：6

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