Broadband sub-wavelength profile high-gain antennas based on multi-layer metasurfaces

Konstantinos Konstantinidis; Alexandros P. Feresidis; Peter S. Hall

doi:10.1109/TAP.2014.2365825

Broadband sub-wavelength profile high-gain antennas based on multi-layer metasurfaces

Konstantinos Konstantinidis, Alexandros P. Feresidis, Peter S. Hall

Electronic, Electrical and Systems Engineering

Research output: Contribution to journal › Article › peer-review

76 Citations (Scopus)

503 Downloads (Pure)

Abstract

A method for designing sub-wavelength-profile and broadband high-gain planar antennas is presented. A novel multi-layer periodic array design is proposed for sub-wavelength Fabry-Perot cavity type antennas with enhanced bandwidth performance. Three double-sided periodic arrays are designed and optimized, each double-sided array consisting of a capacitive artificial impedance surface (AIS) and an inductive partially reflective surface (PRS) printed on either side of a dielectric substrate. They are placed at about sixth of a wavelength from a ground plane and from each other. Thus, three air cavities are created with a total profile of λ/2 . The proposed antenna has been simulated using CST Microwave Studio and measured achieving 16.9 dBi directivity with 10.7% 3 dB bandwidth. The gain-bandwidth product of the proposed designs outperforms any previous Fabry-Perot antenna design with this profile.

Original language	English
Article number	6940214
Pages (from-to)	423-427
Number of pages	5
Journal	IEEE Transactions on Antennas and Propagation
Volume	63
Issue number	1
DOIs	https://doi.org/10.1109/TAP.2014.2365825
Publication status	Published - 1 Jan 2015

Keywords

Artificial impedance surface
Fabry-Perot cavity
leaky-wave antennas
partially reflective surfaces

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics

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10.1109/TAP.2014.2365825

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Cite this

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Broadband sub-wavelength profile high-gain antennas based on multi-layer metasurfaces

Abstract

Keywords

ASJC Scopus subject areas

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