A High-Gain Vivaldi Antenna Loaded with Metasurface for Broadband Applications

被引：0
作者：
Li, Kun [1 ]
Li, Zijie [1 ]
Liu, Xiaorui [2 ]
Li, Shandong [1 ]
Qu, Xiaoyun [3 ]
Yang, Zhiqun [3 ]
Zong, Wei-hua [1 ]
机构：
[1] Qingdao Univ, Coll Elect & Informat, Qingdao 266000, Peoples R China
[2] Qingdao Univ, Inst Future, Automat Sch, Qingdao 266000, Shandong, Peoples R China
[3] Shandong Inst Space Elect Technol, Yantai 264003, Peoples R China
来源：
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2024年 / 39卷 / 10期
关键词：
broadband antennas; coplanar Vivaldi antennas (CVA); metasurface; multiband antennas; MUTUAL COUPLING REDUCTION; PATTERN DIVERSITY; MIMO ANTENNA; METAMATERIAL; MICROWAVE; SYSTEM;
D O I：
10.13052/2024.ACES.J.391005
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：
In this article, a Vivaldi antenna with broad bandwidth and high gain is proposed. The proposed antenna consists of a coplanar Vivaldi antenna (CVA) configuration etched with two rhombus slots at both sides of the radiation arm to improve bandwidth and gain at the low frequencies as well as maintaining antenna miniaturization. A compact broadband metasurface is loaded in the dielectric region between the two exponentially tapered lines to improve radiation performance in a wide frequency range without increasing antenna size. The antenna has been fabricated and measured, obtaining 1.27-9.4 GHz bandwidth covering L/S/C/X and ultra-wideband (UWB) lower bands. The measured gain ranges from 3 dBi to 9.67 dBi. With a miniaturized size of 100x100x1 mm3, good directional radiation pattern and high gain in the whole working band, the proposed antenna is a good candidate for the applications in multi-band coverage systems.
引用
收藏
页码：876 / 884
页数：9
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