Reconfigurable Graphene Reflectarray with Switchable Focus

被引：0
|
作者：
You, Ben [1 ]
Zhou, Liang [1 ]
Wu, Lin-Sheng [1 ]
Mao, Jun-Fa [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Minist Educ Design & Electromagnet Compatibil Hig, Key Lab, Shanghai 200240, Peoples R China
来源：
2016 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON ADVANCED MATERIALS AND PROCESSES FOR RF AND THZ APPLICATIONS (IMWS-AMP) | 2016年
关键词：
Graphene reflectarray; reconfigurability; switchable focus; 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：
A reconfigurable graphene reflectarray (RGRA) is proposed with the electrically switchable focus for incident (quasi-)spherical waves. The geometry-and chemical potential-dependent reflection phase is explored for the reflective graphene patch cells, which is further assigned to specific parts of the RGRA. The full-wave simulated results demonstrate that the proposed structure can provide a dynamically controllable focus at 1.5 THz. The peak realized gain and the radiation efficiency are higher than 22 dBi and 65%, respectively, for both the short and long focuses of 3.2 lambda and 8.0 lambda.
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页数：3
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