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

页码：244 / 250

页数：7

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