Fabrication and testing of a millimeter-wave modulated metasurface antenna

Jaramillo Calderon, Diego; Al Khalifeh, Khaldoun; Bodehou, Modeste; Oubaha, Hamid; Craeye, Christophe

Fabrication and testing of a millimeter-wave modulated metasurface antenna

Jaramillo Calderon, Diego

;

Al Khalifeh, Khaldoun

;

Bodehou, Modeste

;

Oubaha, Hamid

;

Craeye, Christophe

(2025) 2025 IEEE International Conference on Antennas and Applications (2025 IEEE CAMA) - Focus on Antenna Systems — Location: Antibes, France (18.November.2025)

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Authors

Jaramillo Calderon, DiegoUCLouvain
Author
Al Khalifeh, KhaldounUCLouvain
Author
Bodehou, ModesteUniversit'e d’Abomey-Calavi
Author
Oubaha, HamidUniversit'e de Li'ege
Author
Craeye, ChristopheUCLouvain
Author

Abstract

This work presents the design, fabrication, and experimental validation of a circularly polarized metasurface (MTS) antenna operating at 77 GHz within the millimeter-wave band. The antenna features a circular modulated surface impedance profile, generating a pencil beam tilted 20 degrees from broadside. The structure spans a radius of six wavelengths and uses square unit cells with a side length of one-seventh of the free-space wavelength. Fabrication of such dense, high-resolution patterns at millimeter-wave frequencies presents significant challenges, including maintaining resolution, alignment accuracy, and surface uniformity.

Affiliations

UCLouvainSST/ICTM - Institute of Information and Communication Technologies, Electronics and Applied Mathematics

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Jaramillo Calderon, D., Al Khalifeh, K., Bodehou, M., Oubaha, H., & Craeye, C. (2025). Fabrication and testing of a millimeter-wave modulated metasurface antenna. 2025 IEEE International Conference on Antennas and Applications (2025 IEEE CAMA) - Focus on Antenna Systems, Antibes, France.