Abstract
The design of a dual-band dual-polarized (DBDP) Dielectric Resonator Antenna (DRA) is presented. The antenna is designed for a Ku-band Synthetic Aperture Radar (SAR) application. The DRA features two distinct polarization ports operating on two frequency bands and is fed by Substrate Integrated Coaxial Lines (SICLs), providing robust power handling and a high level of isolation. Realized gains of 3.9 dBi at 13.5 GHz and 6.5 dBi at 17.25 GHz are measured for a single element. This design allows a shared coupling aperture for both polarizations, hence maximizing the compactness of the antenna.
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