A Metal-Only Partially Reflective Surface for Metallic Resonant-Cavity Antennas

Ahmed, F; Afzal, MU; Esselle, KP

A Metal-Only Partially Reflective Surface for Metallic Resonant-Cavity Antennas

Ahmed, F Afzal, MU Esselle, KP

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Publisher:: IEEE
Publication Type:: Conference Proceeding
Citation:: 2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, APS/URSI 2021 - Proceedings, 2021, 00, pp. 573-574
Issue Date:: 2021-01-01

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Field	Value	Language
dc.contributor.author	Ahmed, F
dc.contributor.author	Afzal, MU
dc.contributor.author	Esselle, KP
dc.date	2021-12-04
dc.date.accessioned	2022-05-31T22:48:54Z
dc.date.available	2022-05-31T22:48:54Z
dc.date.issued	2021-01-01
dc.identifier.citation	2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, APS/URSI 2021 - Proceedings, 2021, 00, pp. 573-574
dc.identifier.isbn	9781728146706
dc.identifier.uri	http://hdl.handle.net/10453/157847
dc.description.abstract	A lightweight metal-only partially reflective surface (PRS) is proposed to realize a fully metallic resonant cavity antenna (MRCA). This PRS comprises a 2D array of dual-layer unit cells where each layer is made from a thin metal sheet. The top metal sheet of the unit cell has narrow slots, while the bottom layer has crossed metal stripes. The cell provides a positive gradient in the phase of the reflection coefficient. An MRCA designed with a PRS made of this unit cell has a much wider directivity bandwidth. The numerical simulations predict that the MRCA has a peak directivity of 18.3 dB and a directivity bandwidth of 1.33 GHz. The overall design structure of MRCA simplified the fabrication process by eliminating the isolating dielectric layers typically used between metal layers, which consequently help to reduce the weight and cost of the antenna.
dc.language	en
dc.publisher	IEEE
dc.relation.ispartof	2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, APS/URSI 2021 - Proceedings
dc.relation.ispartof	2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)
dc.relation.isbasedon	10.1109/APS/URSI47566.2021.9704717
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	A Metal-Only Partially Reflective Surface for Metallic Resonant-Cavity Antennas
dc.type	Conference Proceeding
utslib.citation.volume	00
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-05-31T22:48:51Z
pubs.finish-date	2021-12-10
pubs.publication-status	Published
pubs.start-date	2021-12-04
pubs.volume	00

Abstract:

A lightweight metal-only partially reflective surface (PRS) is proposed to realize a fully metallic resonant cavity antenna (MRCA). This PRS comprises a 2D array of dual-layer unit cells where each layer is made from a thin metal sheet. The top metal sheet of the unit cell has narrow slots, while the bottom layer has crossed metal stripes. The cell provides a positive gradient in the phase of the reflection coefficient. An MRCA designed with a PRS made of this unit cell has a much wider directivity bandwidth. The numerical simulations predict that the MRCA has a peak directivity of 18.3 dB and a directivity bandwidth of 1.33 GHz. The overall design structure of MRCA simplified the fabrication process by eliminating the isolating dielectric layers typically used between metal layers, which consequently help to reduce the weight and cost of the antenna.

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http://hdl.handle.net/10453/157847