3D-printed circular polarized cylindrical DRA using parasitic dielectric helix

Abstract

This article presents a cylindrical dielectric resonator antenna that includes a dielectric helix to achieve circular polarization. The antenna is implemented using low-cost 3D-printing and low-loss dielectric filaments. The polarization of the antenna depends on the sense of the helix either to achieve RHCP or LHCP. Simulation results shows that both antennas are well matched and operating with the corresponding circular polarizations.