Work

A 3-D-Printed mm-Wave Reflectarray With Coaxial Unit Cells

Year: 2024

Type: article

Abstract: A metallic 3-D-printed reflectarray (RA) based on a novel coaxial unit cell (UC) is presented herein for mm-wave applications. A full phase tuning range is achieved by varying the UC depth. The UC design allows for incident wave polarization independence and operability over a wide range of frequencies. A$16\times 16$RA utilizing the proposed UC is designed, simulated, fabricated, and characterized. Furthermore, the RA performance is benchmarked against a conventional RA with printed square microstrip patch UC. The simulated and measured radiation patterns of both RAs in the E-plane demonstrate the achievement of accurate beam steering at the desired angle. The proposed RA is shown to have a higher gain (25.8 dBi) and efficiency (54%) compared to the conventional RA constructed using printed circuit technology. The proposed RA design is deemed promising for applications with stringent environmental conditions.

Source: IEEE Transactions on Antennas and Propagation

DOI: 10.1109/tap.2024.3484148

Authors: Omar S. Hassan, Khamis H. Ali, Mohamed A. Abou-Khousa

Institution: Khalifa University of Science and Technology

Language: English

Topic: Advanced Antenna and Metasurface Technologies

Subfield: Aerospace Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: hybrid

Estimated APC paid: $2,495

Funder: Khalifa University of Science, Technology and Research