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Volume 15
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10.3390/ma15020665
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Article

Metasurfaces for Far-Field Radiation Pattern Correction of Antennas under Dielectric Seamed-Radomes

by
Riccardo Cacocciola
1,2,*,
Badreddine Ratni
1,
Nicolas Mielec
2,
Emmanuel Mimoun
2 and
Shah Nawaz Burokur
1,*
1
LEME, UPL, Univ Paris Nanterre, F92410 Ville d’Avray, France
2
Saint-Gobain Research Paris, 93300 Aubervilliers, France
*
Authors to whom correspondence should be addressed.
Materials 2022, 15(2), 665; https://doi.org/10.3390/ma15020665
Submission received: 24 November 2021 / Revised: 13 January 2022 / Accepted: 14 January 2022 / Published: 16 January 2022
(This article belongs to the Special Issue Metamaterial and Metasurface Design for Microwave Applications)
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Abstract

A high-index dielectric radome seam is camouflaged with respect to a low-index dielectric radome panel by tuning the seam with carefully engineered metasurfaces. A transmission-line approach is used to model the metasurface-tuned seam and analytically retrieve the corresponding surface impedance, from which the unit-cell design is then tailored. Full-wave simulations and microwave antenna measurements performed on a proof-of-concept prototype validate the undesired scattering suppression effect in the case of normally and obliquely incident transverse electric and transverse magnetic wave illuminations. Robustness of the proposed solution to fabrication tolerances is also reported. The study presents metasurface-tuning as an easily implementable, frequency adjustable, and polarization insensitive solution to reduce the scattering of dielectric mechanical seams and improve the overall transparency performance of radome structures.
Keywords: radome; scattering reduction; metasurface radome; scattering reduction; metasurface

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MDPI and ACS Style

Cacocciola, R.; Ratni, B.; Mielec, N.; Mimoun, E.; Burokur, S.N. Metasurfaces for Far-Field Radiation Pattern Correction of Antennas under Dielectric Seamed-Radomes. Materials 2022, 15, 665. https://doi.org/10.3390/ma15020665

AMA Style

Cacocciola R, Ratni B, Mielec N, Mimoun E, Burokur SN. Metasurfaces for Far-Field Radiation Pattern Correction of Antennas under Dielectric Seamed-Radomes. Materials. 2022; 15(2):665. https://doi.org/10.3390/ma15020665

Chicago/Turabian Style

Cacocciola, Riccardo, Badreddine Ratni, Nicolas Mielec, Emmanuel Mimoun, and Shah Nawaz Burokur. 2022. "Metasurfaces for Far-Field Radiation Pattern Correction of Antennas under Dielectric Seamed-Radomes" Materials 15, no. 2: 665. https://doi.org/10.3390/ma15020665

APA Style

Cacocciola, R., Ratni, B., Mielec, N., Mimoun, E., & Burokur, S. N. (2022). Metasurfaces for Far-Field Radiation Pattern Correction of Antennas under Dielectric Seamed-Radomes. Materials, 15(2), 665. https://doi.org/10.3390/ma15020665

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