3-D Printed Wideband Millimeter-Wave Horn Antenna With Conical Radiation Pattern

被引：12
|
作者：
Wu, Li [1 ,2 ]
Wang, Cong [2 ]
Peng, Shusheng [1 ]
Guo, Yongxin [2 ,3 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Peoples R China
[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore, Singapore
[3] Natl Univ Singapore, Suzhou Res Inst, Suzhou 215123, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2020年 / 19卷 / 03期
基金：
中国国家自然科学基金; 新加坡国家研究基金会;
关键词：
Conical radiation pattern; horn antenna; millimeter-wave (mmW); three-dimensional (3-D) printing; CIRCULAR PATCH ANTENNA;
D O I：
10.1109/LAWP.2019.2963747
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 wideband millimeter-wave (mmW) circular aperture horn antenna with a conical radiation pattern realized by the metallic three-dimensional (3-D) printing technology is presented in this letter. The proposed structure consists of a coaxial waveguide and a quadruple-ridged conical horn. The horn antenna is fabricated using a direct metal laser sintering (DMLS) technology, and both manual polishing and yellow-gold coating are employed to realize a surface roughness of R-a = 1.6161 mu m. The overall size of the fabricated antenna is 20 mm x 20 mm x 15.8 mm. Experimental measurements show that a wide relative impedance bandwidth of 60.7% and a peak gain of 11.4 dBi can be achieved within the frequency band of 24.9-46.6 GHz.
引用
收藏
页码：453 / 456
页数：4
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