Radiation pattern analyses of circular aperture antenna to generate radio orbital angular momentum

被引：1
|
作者：
Lin Cheng-long [1 ]
Lin Ming-tuan [1 ]
Liu Pei-guo [1 ]
Tang Xing [2 ]
机构：
[1] Natl Univ Def Technol, Coll Elect Sci, Changsha 410073, Hunan, Peoples R China
[2] Army Agcy Off Nanjing Army, Nanjing 210000, Jiangsu, Peoples R China
来源：
JOURNAL OF CENTRAL SOUTH UNIVERSITY | 2018年 / 25卷 / 06期
关键词：
orbital angular momentum (OAM); twisted radio wave; millimeter-wave; circular aperture antenna; radiation pattern; TE mode; TM mode; ARRAY;
D O I：
10.1007/s11771-018-3844-2
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Circular aperture antenna recently has been regarded as a nature source to generate high power radio orbital angular momentum (OAM) in millimeter (mm) wave; however, the radiation pattern was not investigated. Theoretical derivation of radiation pattern of circular aperture OAM antenna is conducted to evaluate the performance. Extensive simulations verify the validity of the theoretical result. Furthermore, performance of such antenna excited by orthogonal TE and TM modes is compared, which shows the potential application for TEg1 mode to create pure OAM g-1 mode in a practical system, providing guidance for generation of twisted radio waves in mm-wave bands.
引用
收藏
页码：1513 / 1523
页数：11
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