Parametric Study of a Fully 3D-Printed Dielectric Resonator Antenna Loaded With a Metallic Cap

被引：27
作者：
Cuevas, Matias [1 ]
Pizarro, Francisco [1 ]
Leiva, Ariel [1 ]
Hermosilla, Gabriel [1 ]
Yunge, Daniel [1 ]
机构：
[1] Pontificia Univ Catolica Valparaiso, Escuela Ingn Elect, Valparaiso 2362804, Chile
来源：
IEEE ACCESS | 2021年 / 9卷
关键词：
Dielectrics; Permittivity; Topology; Resonant frequency; Dielectric resonator antennas; Antennas; Parametric study; 3D-printing; conductive filaments; dielectric resonator antennas; dielectric filaments; ARRAYS; HORN;
D O I：
10.1109/ACCESS.2021.3081068
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This article presents a parametric study of a fully 3D-printed hemispherical dielectric resonator antenna (DRA) using low loss dielectric filament and high-conductive filaments jointly with a low-cost customized dual-extruding 3D printer. The parametric study consisted in the design and evaluation of five different hemispherical DRA topologies with different internal shapes and the same overall size, in which the printing infill percentage of the DRA was reduced. A 3D-printed metallic cap was included in the antenna to compensate for the resonant frequency shift in order to maintain its original dimensions. Measurement results show that all evaluated antennas kept the same resonant frequencies and similar radiation patterns while reducing the overall weight of the topology in 22% of the nominal weight.
引用
收藏
页码：73771 / 73779
页数：9
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