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Meta-waveguide analysis and implementation for using as a slot array antenna

Published online by Cambridge University Press:  11 September 2019

Mahmoud Fallah Open the ORCID record for Mahmoud Fallah [Opens in a new window]  and
Mohammad Khalaj-Amirhosseini
Mahmoud Fallah*
Affiliation:
School of Electrical Engineering, Iran University Science and Technology, Tehran, Iran
Mohammad Khalaj-Amirhosseini
Affiliation:
School of Electrical Engineering, Iran University Science and Technology, Tehran, Iran
*
Author for correspondence: Mahmoud Fallah, E-mail: m_fallah@elec.iust.ac.ir
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Abstract

This paper presents a novel concept named meta-waveguide structures to design slot array antennas based on metasurface. The proposed method investigates the geometrical parameters of the embedded metasurface and their relations to build up the engineered electric and magnetic fields to introduce efficient slot array antennas. This approach eliminates the necessity of using the well-known offsets in typical slot arrays, which can be benefited from linear array theorem. This idea is realized by employing successive filed curvature along the propagation direction, utilizing periodic metasurfaces. Thereafter, a step-by-step algorithm is recommended to design an efficient slot array antenna. Finally, a prototype is fabricated and tested experimentally validating the theoretical calculations.

Keywords

Metasurfacemeta-waveguideslot array antennaslot waveguide array
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 12 , Issue 2 , March 2020 , pp. 138 - 147
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019 

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