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Polymer-based 3-D printed Ku-band steerable phased-array antenna subsystem

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Title: Polymer-based 3-D printed Ku-band steerable phased-array antenna subsystem
Authors: Shin, S
D'Auria, M
Otter, W
Myant, C
Tian, Z
Ridler, NM
Lucyszyn, S
Item Type: Journal Article
Abstract: This paper introduces the first fully 3-D printed tunable microwave subsystem, consisting of 26 circuit elements. Here, a polymer-based 3-D printed Ku-band 4-element steerable phased-array antenna with fully integrated beam forming network is demonstrated. Polyjet was adopted for fabricating the main body of the subsystem, as it is capable of producing a geometrically complex structure with high resolution over a large volume. Low-cost fused deposition modeling was chosen to manufacture the dielectric inserts and brackets for the phase shifters. The measured radiation pattern revealed that the phased-array antenna subsystem has total beam steering angles of 54° and 52° at 15 GHz and 17 GHz, respectively. Excellent input return loss behavior was observed across the optimum operational frequency range of 15 to 17 GHz; with a worst-case measured return loss of 12.9 dB. This work clearly shows the potential of using 3-D printing technologies for manufacturing fully integrated subsystems with complex geometric features.
Issue Date: 1-Aug-2019
Date of Acceptance: 24-Jul-2019
URI: http://hdl.handle.net/10044/1/72370
DOI: 10.1109/ACCESS.2019.2932431
ISSN: 2169-3536
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Start Page: 106662
End Page: 106673
Journal / Book Title: IEEE Access
Volume: 7
Copyright Statement: © 2019 The Author(s). This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/.
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
UK Space Agency
UK Space Agency
Funder's Grant Number: EP/M001121/1
PO No: 454400
Keywords: Science & Technology
Computer Science, Information Systems
Engineering, Electrical & Electronic
Computer Science
Additive manufacturing
3-D printing
fused deposition modeling (FDM)
rectangular waveguide
phased-array antenna
Publication Status: Published online
Open Access location: https://ieeexplore.ieee.org/document/8784237
Article Number: Access-2019-23268
Online Publication Date: 2019-08-01
Appears in Collections:Electrical and Electronic Engineering
Dyson School of Design Engineering
Faculty of Engineering