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Optimization of a wideband antipodal Vivaldi antenna with metalenses

Published online by Cambridge University Press:  05 October 2023

Antonella Maria Loconsole ,
Vincenza Portosi Open the ORCID record for Vincenza Portosi [Opens in a new window] ,
Vito Vincenzo Francione ,
Francesco Anelli ,
Andrea Annunziato ,
Mario Christian Falconi  and
Francesco Prudenzano Open the ORCID record for Francesco Prudenzano [Opens in a new window]
Antonella Maria Loconsole
Affiliation:
Department of Electrical and Information Engineering, Politecnico di Bari, Bari (BA), Italy
Vincenza Portosi
Affiliation:
Department of Electrical and Information Engineering, Politecnico di Bari, Bari (BA), Italy
Vito Vincenzo Francione
Affiliation:
Department of Electrical and Information Engineering, Politecnico di Bari, Bari (BA), Italy
Francesco Anelli
Affiliation:
Department of Electrical and Information Engineering, Politecnico di Bari, Bari (BA), Italy
Andrea Annunziato
Affiliation:
Department of Electrical and Information Engineering, Politecnico di Bari, Bari (BA), Italy
Mario Christian Falconi
Affiliation:
Department of Electrical and Information Engineering, Politecnico di Bari, Bari (BA), Italy
Francesco Prudenzano*
Affiliation:
Department of Electrical and Information Engineering, Politecnico di Bari, Bari (BA), Italy
*
Corresponding author: Francesco Prudenzano; Email: francesco.prudenzano@poliba.it
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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 $f = 13\;{\textrm{GHz}}$.

Keywords

antipodal Vivaldi antennametalensesmetamaterialssplit-ring resonatorsUWB antennas
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , First View , pp. 1 - 8
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Copyright
© The Author(s), 2023. Published by Cambridge University Press in association with the European Microwave Association

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References

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