A Methodology to Design a Low-Profile Composite-Dielectric Phase-Correcting Structure

Afzal, MU; Esselle, KP; Lalbakhsh, A

A Methodology to Design a Low-Profile Composite-Dielectric Phase-Correcting Structure

Afzal, MU Esselle, KP Lalbakhsh, A

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Antennas and Wireless Propagation Letters, 2018, 17, (7), pp. 1223-1227
Issue Date:: 2018-07-01

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Field	Value	Language
dc.contributor.author	Afzal, MU
dc.contributor.author	Esselle, KP
dc.contributor.author	Lalbakhsh, A
dc.date.accessioned	2021-03-31T23:05:19Z
dc.date.available	2021-03-31T23:05:19Z
dc.date.issued	2018-07-01
dc.identifier.citation	IEEE Antennas and Wireless Propagation Letters, 2018, 17, (7), pp. 1223-1227
dc.identifier.issn	1536-1225
dc.identifier.issn	1548-5757
dc.identifier.uri	http://hdl.handle.net/10453/147762
dc.description.abstract	© 2002-2011 IEEE. A methodology to synthesize a low-profile composite-dielectric phase-correcting structure (CD PCS) is presented. The CD PCS, in function, is similar to an all-dielectric varying-height PCS and transforms a nonuniform aperture phase distribution of a low-gain antenna to a nearly uniform phase distribution. The methodology is aimed at reducing the maximum height of all-dielectric PCSs by using a combination of commercially available transmissive dielectric materials. The principle of operation has been demonstrated by designing a CD PCS using two dielectric materials. A higher permittivity dielectric material is used in the central region of the CD PCS, which requires a larger phase delay, while a lower permittivity dielectric material is used in the outer region, which requires a smaller phase delay. The height of the CD PCS is 43\% less and its weight is 25\% less than the single-dielectric PCS, but both have similar radiation performance.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Antennas and Wireless Propagation Letters
dc.relation.isbasedon	10.1109/LAWP.2018.2840087
dc.rights	© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering, 1005 Communications Technologies
dc.subject.classification	Networking & Telecommunications
dc.title	A Methodology to Design a Low-Profile Composite-Dielectric Phase-Correcting Structure
dc.type	Journal Article
utslib.citation.volume	17
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	1005 Communications Technologies
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	2021-03-31T23:05:18Z
pubs.issue	7
pubs.publication-status	Published
pubs.volume	17
utslib.citation.issue	7

Abstract:

© 2002-2011 IEEE. A methodology to synthesize a low-profile composite-dielectric phase-correcting structure (CD PCS) is presented. The CD PCS, in function, is similar to an all-dielectric varying-height PCS and transforms a nonuniform aperture phase distribution of a low-gain antenna to a nearly uniform phase distribution. The methodology is aimed at reducing the maximum height of all-dielectric PCSs by using a combination of commercially available transmissive dielectric materials. The principle of operation has been demonstrated by designing a CD PCS using two dielectric materials. A higher permittivity dielectric material is used in the central region of the CD PCS, which requires a larger phase delay, while a lower permittivity dielectric material is used in the outer region, which requires a smaller phase delay. The height of the CD PCS is 43\% less and its weight is 25\% less than the single-dielectric PCS, but both have similar radiation performance.

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http://hdl.handle.net/10453/147762