Tunable Beam Steering, Focusing and Generating of Orbital Angular Momentum Vortex Beams Using High-Order Patch Array

被引：14
|
作者：
Yin, Zhiping [1 ,2 ,3 ]
Zheng, Qun [1 ,2 ,3 ]
Guo, Kai [2 ]
Guo, Zhongyi [1 ,2 ,3 ]
机构：
[1] Hefei Univ Technol, Acad Photoelect Technol, Hefei 230009, Anhui, Peoples R China
[2] Hefei Univ Technol, Sch Comp & Informat, Hefei 230009, Anhui, Peoples R China
[3] Hefei Univ Technol, Sch Elect Sci & Appl Phys, Hefei 230009, Anhui, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2019年 / 9卷 / 15期
基金：
中国国家自然科学基金;
关键词：
beam steering; focusing; patch array; vortex beam; MICROSTRIP ANTENNA-ARRAY; REFLECTARRAY; CELLS;
D O I：
10.3390/app9152949
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper, a tunable patch array based on high-order is proposed at the frequency of 300 GHz, achieving active controllable beam steering, focusing and generation of orbital angular momentum vortex beams. It has been demonstrated that the patch array can achieve wide beam scanning angle by controlling the phase of array elements with tunable phase shifters. Meanwhile, beam focusing on the specified position can also be realized by phase modulation of array elements based on the focusing theory. In addition, we also designed a patch array to generate vortex beams with multiple topological charges by high-order modes. The performances show that the patch antenna array we designed has a good application prospect.
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页数：10
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