Quasi-Optical Excitation of a Circularly-Polarized Metasurface Antenna at K-band

被引：0

作者：

Ruiz-Garcia, Jorge ^{[1
]}

Faenzi, Marco ^{[1
]}

Mahmoud, Adham ^{[1
]}

Ettorre, Mauro ^{[1
]}

Potier, Patrick ^{[2
]}

Pouliguen, Philippe ^{[3
]}

Sauleau, Ronan ^{[1
]}

Gonzalez-Ovejero, David ^{[1
]}

机构：

[1] Univ Rennes, CNRS, IETR, UMR 6164, F-35000 Rennes, France

[2] Direct Gen Armement, F-35174 Bruz, France

[3] Agence Innovat Def, Direct Gen Armement, F-75509 Paris, France

来源：

2020 14TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP 2020) | 2020年

关键词：

Metasurface antennas; leaky waves; circular polarization; satellite communications; CubeSats;

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：

This paper presents a new concept of modulated metasurface (MTS) antenna for satellite communications. As opposed to using cylindrical surface waves (SW) to excite circular apertures, we employ a quasi-optical beamformer to launch a plane SW. This architecture enables an efficient illumination of rectangular apertures. In addition, the use of anisotropic MTS elements allows us to obtain circularly-polarized beams with excellent characteristics in terms of cross-polarization discrimination. We present the design process of a prototype at K-band and the obtained simulation results, which prove the suitability of this antenna for satellite data links.

引用

页数：4

共 17 条

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