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Optimization of a wideband antipodal Vivaldi antenna with metalenses
Published online by Cambridge University Press: 05 October 2023
Abstract
A wideband antipodal Vivaldi antenna has been designed and optimized. A slight improvement is obtained by employing multiple metalense based on circular split-ring resonators to maximize the antenna gain with the maximum bandwidth. The designed antennas have been fabricated and characterized, showing good agreement with simulations. The maximum measured gain is $G = 12\;{\textrm{dB}}$, and the −10 dB bandwidth is from
$f = 3\;{\textrm{GHz}}$ to
$f = 13\;{\textrm{GHz}}$.
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- Research Paper
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- © The Author(s), 2023. Published by Cambridge University Press in association with the European Microwave Association