Circularly Polarized Ka-Band High-Gain Antenna Using Printed Ridge Gap Waveguide and 3-D-Printing Technology

被引：7
作者：
Al-Alem, Yazan [1 ,2 ]
Sifat, Syed M. [3 ]
Antar, Yahia M. M. [1 ,2 ]
Kishk, Ahmed A. [3 ]
机构：
[1] Queens Univ, Dept Elect & Comp Engn, Kingston, ON, Canada
[2] Royal Mil Coll Canada, Kingston, ON, Canada
[3] Concordia Univ, Dept Elect & Comp Engn, Montreal, PQ, Canada
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2023年 / 71卷 / 09期
关键词：
High gain; low-cost antennas; millimeter-wave (mm-wave) antennas; printed circuit board antennas; DESIGN;
D O I：
10.1109/TAP.2023.3285353
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 low-cost high-gain circularly polarized antenna is proposed, the proposed antenna achieves a gain of 20 dBi and an axial ratio bandwidth of 6.5%. The proposed antenna is extremely low in cost as it uses printed ridge gap waveguide (PRGW) technology. The use of PRGW technology suppresses the parasitic and back-lobe radiation from the feed, which maintains neat radiation characteristics for the radiating antenna. The structure is made of a magnetoelectric (ME) dipole, which illuminates a set of adjacent dielectric slabs. The diffracted fields from the edges of the dielectric slabs add up constructively with the ME dipole radiated fields in the boresight and boost the gain of the ME dipole. Accordingly, the antenna structure relaxes the need for designing a feeding network by utilizing the diffracted fields from dielectric slabs edges. A 3-D-printed dielectric polarizer is used to further boost the gain and transform the polarization of the antenna to circular polarization. The antenna possesses a focused pencil-beam pattern that is well-suited for several millimeter-wave (mm-wave) applications.
引用
收藏
页码：7644 / 7649
页数：6
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