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Volume 14
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10.3390/app14156775
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

The Leaky-Wave Perspective for Array-Fed Fabry–Perot Cavity and Bull’s-Eye Antennas

by
Mikhail Madji
1,
Edoardo Negri
1,
Walter Fuscaldo
2,
Davide Comite
1,
Alessandro Galli
1,* and
Paolo Burghignoli
1
1
Department of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, 00184 Rome, Italy
2
Istituto per la Microelettronica e Microsistemi, Consiglio Nazionale delle Ricerche, 00133 Rome, Italy
*
Author to whom correspondence should be addressed.
Appl. Sci. 2024, 14(15), 6775; https://doi.org/10.3390/app14156775
Submission received: 20 June 2024 / Revised: 28 July 2024 / Accepted: 29 July 2024 / Published: 2 August 2024
(This article belongs to the Special Issue Advanced Technologies in Microwave and Millimeter Wave Antennas)
Versions Notes

Abstract

Two-dimensional leaky-wave antennas (LWAs) are a class of planar, traveling-wave radiators with attractive features of a low profile, ease of feeding, frequency reconfigurability of the radiation pattern, and polarization agility. Their use in conjunction with array feeders has been the subject of various investigations in recent decades, thanks to the additional degrees of freedom provided by the presence of multiple independent sources. Here, we provide a review of some of the most recent and promising array-fed two-dimensional (2-D) LWAs, selecting a couple of the most significant structures in application, namely Fabry–Perot cavity antennas and bull’s-eye antennas, and discussing some of their recently proposed advanced features.
Keywords: leaky-wave antennas; planar antennas; phased arrays; Fabry–Perot cavity antennas; bull’s eye antenna; orbital angular momentum; polarization reconfiguration; pattern reconfigurability; near-field focusing leaky-wave antennas; planar antennas; phased arrays; Fabry–Perot cavity antennas; bull’s eye antenna; orbital angular momentum; polarization reconfiguration; pattern reconfigurability; near-field focusing

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MDPI and ACS Style

Madji, M.; Negri, E.; Fuscaldo, W.; Comite, D.; Galli, A.; Burghignoli, P. The Leaky-Wave Perspective for Array-Fed Fabry–Perot Cavity and Bull’s-Eye Antennas. Appl. Sci. 2024, 14, 6775. https://doi.org/10.3390/app14156775

AMA Style

Madji M, Negri E, Fuscaldo W, Comite D, Galli A, Burghignoli P. The Leaky-Wave Perspective for Array-Fed Fabry–Perot Cavity and Bull’s-Eye Antennas. Applied Sciences. 2024; 14(15):6775. https://doi.org/10.3390/app14156775

Chicago/Turabian Style

Madji, Mikhail, Edoardo Negri, Walter Fuscaldo, Davide Comite, Alessandro Galli, and Paolo Burghignoli. 2024. "The Leaky-Wave Perspective for Array-Fed Fabry–Perot Cavity and Bull’s-Eye Antennas" Applied Sciences 14, no. 15: 6775. https://doi.org/10.3390/app14156775

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