A Reflectarray for Generating Wideband Orbital Angular Momentum Vortex Wave

被引：0
|
作者：
Sun, Lu-Yang [1 ]
Zhao, Yong-Jiu [1 ]
He, Zheng [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Nanjing, Jiangsu, Peoples R China
来源：
2020 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT 2020 ONLINE) | 2020年
关键词：
wideband; reflectarray; orbital angular momentum (OAM); multi-resonance; reflective metasuface;
D O I：
10.1109/ICMMT49418.2020.9386995
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：
In this paper, a wideband vortex beam reflectarray for generating l=+/- 2 modes orbital angular momentum (OAM) waves is proposed. The unit cell of the reflectarray consists of double cross loops and four square patches. This multi-resonance structure provides 430 degrees smooth phase curves. The required phase shift in the reflective metasurface is realized by adjusting the length of double cross loops. The simulated results indicate the peak gain of 19.1 dBi at 12.5 GHz with 27.5% 1-dB gain bandwidth.
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页数：3
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