Experimental Realization of Terahertz Waveguide-Fed Circularly Polarized Double-Fan-Shaped Slot Antenna

被引:21
|
作者
Zhao, Pengfei [1 ]
Liu, Yong [1 ]
Lu, Hongda [1 ]
Wu, Yuming [1 ]
Lv, Xin [1 ]
机构
[1] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China
来源
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷
基金
中国国家自然科学基金;
关键词
Circular polarization; micromachining; terahertz (THz);
D O I
10.1109/LAWP.2017.2695670
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
A terahertz (THz) waveguide-fed circularly polarized double-fan-shaped slot antenna (DFSSA) based on a silicon micro-machining technology is proposed. The antenna is fed by a WR1.9 waveguide. Optimized rotation angle of the double-fan-shaped slot can realize left-hand circular polarization or right-hand circular polarization. The measured axial ratios are lower than 1.5 dB from 490 to 500 GHz. The proposed DFSSA is suitable to be used as feeders in the THz imaging and detection systems.
引用
收藏
页码:2066 / 2069
页数:4
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