Dual-Band Antenna with OAM Mode Radiated by Ground Plane

被引：3
|
作者：
Li, Yuheng [1 ]
Yang, Guang [1 ]
Li, Weiwen [1 ]
Liu, Qing Huo [2 ]
机构：
[1] Xiamen Univ, Dept Elect Engn, Xiamen, Peoples R China
[2] Duke Univ, Dept Elect & Comp Engn, Durham, NC USA
来源：
JOURNAL OF ELECTROMAGNETIC ENGINEERING AND SCIENCE | 2023年 / 23卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Characteristic Mode Theory; Dual-Band Antenna; Inverted-F Antenna; Vortex Electromagnetic Wave; PATCH ANTENNA;
D O I：
10.26866/jees.2023.3.r.164
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：
Antennas that radiate orbital angular momentum (OAM) modes are usually large and have complex structures. In this paper, in combina-tion with characteristic mode analysis, the ground plane is used as the OAM wave radiator. To excite degenerate modes of the ground plane with phase quadrature by using a single-fed structure, two bent metal strips with grounded ends are introduced around the rectangu-lar ground plane, and a corner of one of the bent strips is set as the feeding point. For ground radiators, a first-order OAM mode is gener-ated at the high-frequency end by synthesizing the degenerate modes. In case of the bent side strip, an inverted-F antenna that operates in the low-frequency mode is formed. This compact antenna has dual-band characteristics and facilitates simple feeding, which makes it suitable for mobile terminal applications.
引用
收藏
页码：244 / 250
页数：7
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