A wideband dual-polarized lens antenna, useful for future millimeter wave applications, is presented in this paper. The proposed antenna consists of a rectangular waveguide, a rectangular-to-circular transition, a circular waveguide, a conical reflector, and a dielectric lens with a spherical-axicon section to enhance the performance of the radiating structure. The antenna operates in the frequency range of 190–300 GHz, providing a maximum gain of 9 dBi in the azimuthal plane. CST Studio Suite, employing a locally conformal full-wave finite integration technique (FIT), was utilized to design and characterize the antenna. The structure offers the advantages of robustness, cost-effectiveness, and ease of fabrication in waveguide configurations.
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Cicchetti et al. (2024) studied this question.
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