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Dispersion Analysis of Coaxial Line Loaded with Twist-Symmetric Half-Rings
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering. Southeast Univ, State Key Lab Millimeter Wave, Nanjing 210096, Jiangsu, Peoples R China..
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-9665-8557
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
2018 (English)In: 2018 IEEE International Workshop on Antenna Technology, iWAT2018 - Proceedings, Institute of Electrical and Electronics Engineers (IEEE), 2018Conference paper, Published paper (Refereed)
Abstract [en]

A coaxial line with half-rings connected to its external conductor is proposed in this paper, to investigate the dispersion properties of a twist-symmetric electromagnetic configuration. We demonstrate that the propagating modes in a twist-symmetric structure are more linear than a conventional structure. Additionally, the bandgap at the Brillouin zone boundaries can be manipulated by tuning the relative angular orientation or translation of the rings. This tuning is equivalent to changing the order of the twist symmetry from 4- to 2-fold. Our proposed geometry finds potential application in fully-metallic reconfigurable filters and phase shifters.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018.
Keywords [en]
Higher symmetries, twist symmetry, periodic structures, coaxial transmission line, slit ring, reconfigurable filters, tunable phase shifters
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-232803DOI: 10.1109/IWAT.2018.8379229ISI: 000435981000086Scopus ID: 2-s2.0-85050033924ISBN: 9781538618516 (print)OAI: oai:DiVA.org:kth-232803DiVA, id: diva2:1236907
Conference
14th IEEE International Workshop on Antenna Technology, iWAT2018, Jinling Hotel, Nanjing, China, 5 May 2018 through 7 May 2018
Note

QC 20180806

Available from: 2018-08-06 Created: 2018-08-06 Last updated: 2018-08-06Bibliographically approved

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Chen, QiaoGhasemifard, FatemehQuevedo-Teruel, Oscar

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