Optically Controlled Circularly Polarized-Reconfigurable Millimeter-Wave Rectangular Dielectric Resonator Antenna using Photoconductive Switches

被引：0
|
作者：
Soltan, Akrem [1 ]
Abdulmajid, Abdulmajid A. [1 ]
Khamas, Salam K. [1 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
来源：
2022 16TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2022年
关键词：
Rectangular Dielectric Resonator Antenna; Photoconductive Switches; Reconfigurable polarization; High Order modes; Circular polarization;
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 circularly polarized (CP)-reconfigurable rectangular dielectric resonator Antenna (RDRA) is proposed for mm-wave applications. By utilizing two photoconductive switches, the antenna can be switched to radiate either a linearly polarized (LP) field, left-hand CP (LHCP) field or right-hand CP (RHCP) field. The structure requires a simple fabrication process. The simulated results demonstrate reconfigurable polarization characteristics with an impedance bandwidth of 31.8% for both LHCP and RHCP radiations as well as an impedance bandwidth of 9.5% for the LP radiation. This is achieved in conjunction with a maximum gain of 7 dBi. The axial ratio (AR) bandwidth is similar to 11% for both LHCP and RHCP radiations.
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页数：5
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