Dual subwavelength fabry-perot cavities for broadband highly directive antennas

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

doi:10.1109/LAWP.2014.2331801

Dual subwavelength fabry-perot cavities for broadband highly directive antennas

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

Electronic, Electrical and Systems Engineering

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

27 Citations (Scopus)

288 Downloads (Pure)

Abstract

A new concept for designing broadband and subwavelength profile Fabry-Perot-type antennas is introduced. A novel multilayer periodic array design is proposed, yielding two subwavelength-profile Fabry-Perot cavities that significantly enhance the bandwidth performance of the resulting highly directive antenna. The design is based on two optimized double-layer periodic arrays of dissimilar dimensions, each double-layer array consisting of a capacitive artificial magnetic conductor (AMC) layer and an inductive partially reflective surface (PRS) layer printed on either side of a dielectric substrate. They are placed at about a quarter-wavelength distance from a ground plane and from each other. Thus, two air cavities are created with a total profile of less than \lambda/2. The proposed antenna has been simulated in CST Microwave Studio, achieving 18.3 dBi directivity with 8% bandwidth.

Original language	English
Article number	6840295
Pages (from-to)	1184-1186
Number of pages	3
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	13
DOIs	https://doi.org/10.1109/LAWP.2014.2331801
Publication status	Published - 19 Jun 2014

Keywords

Artificial magnetic conductor
Fabry-Perot cavity
leaky-wave antennas
partially reflective surfaces

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/LAWP.2014.2331801

Dual Sub-wavelength Fabry-Perot Cavities for Broadband Leaky-Wave Antennas
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Cite this

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abstract = "A new concept for designing broadband and subwavelength profile Fabry-Perot-type antennas is introduced. A novel multilayer periodic array design is proposed, yielding two subwavelength-profile Fabry-Perot cavities that significantly enhance the bandwidth performance of the resulting highly directive antenna. The design is based on two optimized double-layer periodic arrays of dissimilar dimensions, each double-layer array consisting of a capacitive artificial magnetic conductor (AMC) layer and an inductive partially reflective surface (PRS) layer printed on either side of a dielectric substrate. They are placed at about a quarter-wavelength distance from a ground plane and from each other. Thus, two air cavities are created with a total profile of less than \lambda/2. The proposed antenna has been simulated in CST Microwave Studio, achieving 18.3 dBi directivity with 8% bandwidth.",

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AB - A new concept for designing broadband and subwavelength profile Fabry-Perot-type antennas is introduced. A novel multilayer periodic array design is proposed, yielding two subwavelength-profile Fabry-Perot cavities that significantly enhance the bandwidth performance of the resulting highly directive antenna. The design is based on two optimized double-layer periodic arrays of dissimilar dimensions, each double-layer array consisting of a capacitive artificial magnetic conductor (AMC) layer and an inductive partially reflective surface (PRS) layer printed on either side of a dielectric substrate. They are placed at about a quarter-wavelength distance from a ground plane and from each other. Thus, two air cavities are created with a total profile of less than \lambda/2. The proposed antenna has been simulated in CST Microwave Studio, achieving 18.3 dBi directivity with 8% bandwidth.

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Dual subwavelength fabry-perot cavities for broadband highly directive antennas

Abstract

Keywords

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