Metasurface Leaky-Wave Antennas: a Comparison Between Slot and Patch Implementation

被引：0
|
作者：
Faenzi, M. [1 ]
Martini, E. [1 ]
Gonzalez-Ovejero, D. [1 ]
Minatti, G. [2 ]
De Vita, P. [3 ]
Sabbadini, M. [2 ]
Maci, S. [1 ]
机构：
[1] Univ Siena, Dept Informat Engn & Math, I-53100 Siena, Italy
[2] European Space Agcy, NL-2200 AG Noordwijk, Netherlands
[3] IDS Ingn Sistemi SpA, I-56121 Pisa, Italy
来源：
2014 8TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2014年
关键词：
leaky waves; metasurfaces; holography; high gain antenna;
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 is devoted to the analysis and design of a high-gain circularly polarized antenna with low profile for deep space communications in the X-band. In this context, the low-mass and high efficiency requirements can be addressed at the same time by properly designing a layer of patches (slots) printed (etched) on a grounded dielectric substrate. The interaction between this layer and the surface wave launched by a simple and compact feeder leads to leaky-wave radiation. The overall structure is very light and low profile; in particular, for the slot-based solution the dielectric slab is extremely thin (0.15 mm) and characterized by a low permittivity. The design procedure is summarized, and the patch and slot layouts are shown along with their respective directivity patterns.
引用
收藏
页码：1234 / 1237
页数：4
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