Printed Annular Metasurface for Omnidirectional Dual-Pol Leaky-Wave Antennas

被引：0

作者：

Baccarelli, Paolo ^{[1
]}

Burghignoli, Paolo ^{[1
]}

Comite, Davide ^{[1
]}

Di Ruscio, David ^{[1
]}

Galli, Alessandro ^{[1
]}

Lampariello, Paolo ^{[1
]}

Jackson, David R. ^{[2
]}

机构：

[1] Univ Roma La Sapienza, Informat Engn Elect & Telecomm Dept, Via Eudossiana 18, I-00184 Rome, Italy

[2] Univ Houston, Dept Elect Engn & Comp Sci, Houston, TX 77204 USA

来源：

2013 EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2013年

关键词：

Metasurfaces; Leaky waves; Leaky-wave antennas; Omnidirectional antennas; Dual polarization; MODAL PROPERTIES; PLANAR ANTENNA; RADIATION; SURFACE;

D O I：

暂无

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 printed annular metasurface (PAM) consisting of suitably designed concentric ring slots etched in a metal screen is proposed to realize two-dimensional leaky-wave antennas (LWAs) operating on a pair of azimuthally independent TM and TE cylindrical leaky modes. The metasurface, used as a superstrate for a grounded dielectric slab, is designed to obtain the desired wavenumbers for the two leaky modes. These are excited independently by means of a vertical coaxial probe and a horizontal microstrip loop, thus allowing for radiation of an omnidirectional conical beam with given beam angle and polarization. Theoretical and numerical investigations are presented, including an ad-hoc moment-method approach for the calculation of the antenna far-field patterns.

引用

页码：1059 / 1062

页数：4

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