Single-beam leaky-wave antenna with wide scanning angle and high scanning rate based on spoof surface plasmon polariton

被引：2
作者：
Jiang, Huan [1 ]
Cao, Xiang-Yu [1 ,2 ]
Liu, Tao [1 ]
Jidi, Liaori [1 ]
Li, Sijia [1 ,2 ]
机构：
[1] Air Force Engn Univ, Informat & Nav Coll, Xian 710077, Peoples R China
[2] Air Force Engn Univ, Shaanxi Key Lab Artificially Struct Funct Mat & D, Xian 710051, Peoples R China
来源：
CHINESE PHYSICS B | 2022年 / 31卷 / 10期
基金：
中国国家自然科学基金;
关键词：
spoof surface plasmon polariton (SSPP); leaky wave antenna; wide scanning angle; high scanning rate; EFFICIENCY; BAND;
D O I：
10.1088/1674-1056/ac5881
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a single-beam leaky-wave antenna (LWA) with a wide-scanning angle and a high-scanning rate based on spoof surface plasmon polariton (SSPP) in this paper. The SSPP transmission line (TL) is etched with periodically arranged circular patches, which converts the slow-wave mode into the fast-wave region for radiation. The proposed LWA is designed, fabricated, and tested. The simulated results imply that the proposed LWA not only achieves a high radiation efficiency of about 81.4%, and a high scanning rate of 12.12, but also has a large scanning angle of 176 degrees over a narrow operation bandwidth of 8.3-9.6 GHz (for |S (11)| < -10 dB). In addition, the simulated average gain of the LWA can reach as high as 10.9 dBi. The measured scanning angle range is 175 degrees in the operation band of 8.2-9.6 GHz, and the measured average gain is 10.6 dBi. The experimental results are consistent with the simulation, validating its performance. An antenna with high radiation efficiency, wide scanning angle range, and high scanning rate has great potential for application in radar and wireless communication systems.
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页数：7
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