Design of a Modulated Dielectric Metasurface Antenna

被引：0
|
作者：
Puggelli, Federico
Minatti, Gabriele
Vardaxoglou, Yiannis
Maci, Stefano
机构：
来源：
2015 LOUGHBOROUGH ANTENNAS & PROPAGATION CONFERENCE (LAPC) | 2015年
关键词：
Leaky wave antennas; millimetre waves; spiral antennas; surface impedance;
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 special kind of spiral planar circularly polarised ( CP) antenna is presented. These antennas are based on an interaction between a cylindrical surface wave excited by an omnidirectional probe and an inhomogeneous surface impedance with a spiral pattern. The surface impedance interaction transforms a bounded TM0 surface wave into a circularly polarised leaky wave with almost broadside radiation, through a grounded dielectric slab with a spiral sinusoidal thickness, modulated in the radial direction by a polynomial. Full wave results are in perfect agreement with the theory previously outlined in the literature.
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页数：3
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