High-Efficiency and High-Polarization Separation Reflectarray Element for OAM-Folded Antenna Application

被引：58
作者：
Lei, Xing Yu [1 ]
Cheng, Yu Jian [1 ]
机构：
[1] Univ Elect Sci & Technol China, EHF Key Lab Fundamental Sci, Sch Elect Engn, Chengdu 611731, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷
基金：
中国国家自然科学基金;
关键词：
Folded reflectarray; high-efficiency reflectarray element; high-polarization separation reflectarray element; orbital angular momentum (OAM) reflectarray antenna; ORBITAL ANGULAR-MOMENTUM; GENERATION; WAVES;
D O I：
10.1109/LAWP.2016.2635694
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 single-layer reflectarray element is proposed with wide phase coverage of 400 degrees and good polarization separation. Based on this type of element, a Ka-band-folded reflectarray loaded with the orbital angular momentum (OAM) is designed. The prototype antenna is able to generate OAM waves with high efficiency, low profile, and good mode purity. To evaluate the performance, the OAM antenna with mode l = 1 is fabricated and measured. Both the simulated and the measured results are well matched with the theoretical value.
引用
收藏
页码：1357 / 1360
页数：4
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