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Planar millimetre-wave antenna simultaneously producing four orbital angular momentum modes and associated multi-element receiver array

Vourch, Clement J.; Allen, B. and Drysdale, Timothy D. (2016). Planar millimetre-wave antenna simultaneously producing four orbital angular momentum modes and associated multi-element receiver array. IET Microwaves, Antennas & Propagation, 10(14) pp. 1492–1499.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1049/iet-map.2015.0808
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Abstract

We present the design and simulation of a planar Bull’s eye antenna that can simultaneously produce four orbital angular momentum (OAM) modes with up to 2.4 GHz impedance bandwidth at 60 GHz. OAM modes l = ±3, ±13 are produced simultaneously by two ring resonators in the centre of the antenna. The peak gain is 13.1 (8.1) dBi at ±10 (±25) degrees for mode l = ±3 (±13), with all modes present over a 30 degree angular range (15 to 45 degrees from the boresight). For reception and demultiplexing we use a discretely sampled partial aperture receiver (DSPAR), and show algebraically that such systems can achieve ideal mode orthogonality in cases where existing partial aperture receivers cannot. We present a DSPAR design to complement the Bull’s eye antenna, needing only four simple receiving elements and hence more readily scaling to work over longer link distances than systems relying on horn antennas with integrated spiral phase plates.

Item Type: Journal Item
Copyright Holders: 2016 Institution of Engineering and Technology
ISSN: 1751-8733
Keywords: aperture antennas; planar antenna arrays; receiving antennas; millimetre wave resonators; millimetre wave antenna arrays; antenna arrays
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 46089
Depositing User: Timothy Drysdale
Date Deposited: 18 Apr 2016 13:37
Last Modified: 11 Apr 2017 17:04
URI: http://oro.open.ac.uk/id/eprint/46089
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