A High-Gain Antipodal Vivaldi Antenna Operating at 1 GHz to 40 GHz for Photonic-Assisted Receiver

被引：5

作者：

Zhou, Qihui ^{[1
]}

Zhang, Jianghua ^{[1
]}

Zheng, Xin ^{[1
]}

Zhang, Jianfeng ^{[1
]}

Zhang, Zhuohang ^{[1
]}

Huang, Lei ^{[1
]}

机构：

[1] Acad Mil Sci, Def Innovat Inst, Beijing 100071, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 10期

关键词：

Photonics; Vivaldi antennas; Gain; Bandwidth; Resonant frequency; Reconnaissance; Antenna measurements; Director; high gain; periodic arrays; photonic-assisted receiver; ultrawideband (UWB) Vivaldi antenna; COMPACT HIGH-GAIN; METAMATERIAL; LENS;

D O I：

10.1109/LAWP.2024.3423467

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：

This letter presents an ultrawideband antipodal Vivaldi antenna from 1 GHz to 40 GHz for photonic-assisted reconnaissance. The antenna's performance is enhanced through a systematic optimization progress. By embedding a director into the tapered slot, the gain and the directivity at the high frequency are significantly improved without increasing the size. By employing periodic slots and double split ring resonators around the radiators, the impedance bandwidth is effectively extended at low frequency. The optimized antenna demonstrates excellent impedance matching across L to Ka bands with a gain ranging from 4 dBi to 17 dBi. The measured results of the fabricated prototype align well with the simulated results. Furthermore, a pair of proposed antennas are implemented in a photonic-assisted system to validate the transceiving performance.

引用

页码：3068 / 3072

页数：5

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