W-Band Single-Layer Broadband Reflectarray Antenna

被引：5
|
作者：
Wang, Zhicheng [1 ,2 ]
Zhang, Rui [1 ]
Song, Wenke [1 ,2 ]
Lin, Xiaobo [1 ,2 ]
Xie, Bingchuan [1 ,2 ]
Wang, Jing [1 ,2 ]
Zhao, Ruifeng [1 ,2 ]
机构：
[1] Chinese Acad Sci, Aerosp Informat Res Inst, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100408, Peoples R China
来源：
IEEE ACCESS | 2023年 / 11卷
关键词：
W-band; broadband; low-profile; reflectarray; DESIGN; IMPLEMENTATION; RANGE; RINGS;
D O I：
10.1109/ACCESS.2023.3290098
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a W-band single-layer reflectarray antenna is proposed with the advantages of broadband and high aperture efficiency. A novel dual rotation-symmetry windmill element is designed in the W-band, which consists two layers of copper patches printed on a Rogers RT5880 substrate. Based on the analysis of the proposed metasurface element, a square reflectarray with $13.85\lambda _{0}$ (44.2 mm) aperture diameter at 94 GHz center frequency was designed, fabricated and measured. The designed reflectarray antenna shows a 1-dB gain bandwidth of 25.5% (89-113 GHz) in the W-band. Moreover, the measured gain is 31.1 dBi at 94 GHz and the maximum aperture efficiency is 53.4%. The result shows that the proposed design has prospects in wireless communication applications.
引用
收藏
页码：66309 / 66317
页数：9
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