A. Loconsole, Vincenza Portosi, Vito Vincenzo Francione, Giuseppe Roberto, F. Anelli, F. Prudenzano
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Wideband antipodal Vivaldi antenna with metalenses for GPR applications
In this work, an antipodal Vivaldi antenna optimized with different metalenses for wideband applications is designed. This light-weighted antenna is wideband and exhibits good gain in the whole bandwidth. The employment of metalenses with variable metamaterials dimensions allows to increase maximum gain of about ΔG = 2 dB in the frequency band f = 7 – 10 GHz, without reducing the working bandwidth of the antenna. Prototypes have been fabricated and characterized, showing good agreements with simulations.
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