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Dispersion analysis of polar glide symmetry with coaxial rings
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
2018 (English)In: IET Conference Publications, Institution of Engineering and Technology , 2018, no CP741Conference paper, Published paper (Refereed)
Abstract [en]

In this article, the dispersion properties of a coaxial transmission line with polar glide-symmetric rings are analyzed. This symmetry is obtained by introducing periodic polar rings on either the inner or outer conductor of a coaxial guide. By modifying the relative radii of both rings, we demonstrate that a zero bandgap with non-zero group velocity at the Brillouin zone boundary can be achieved. Such quasi-linear dispersion is analyzed by applying both a circuit-based method and full-wave simulations. A good agreement is achieved between the methods.

Place, publisher, year, edition, pages
Institution of Engineering and Technology , 2018. no CP741
Keywords [en]
Coaxial guide, Dispersion analysis, Equivalent circuit, Glide symmetry
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-246532Scopus ID: 2-s2.0-85057342470OAI: oai:DiVA.org:kth-246532DiVA, id: diva2:1301853
Conference
12th European Conference on Antennas and Propagation, EuCAP 2018, 9 April 2018 through 13 April 2018
Note

QC 20190403

Available from: 2019-04-03 Created: 2019-04-03 Last updated: 2019-04-03Bibliographically approved

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Chen, QiaoQuevedo-Teruel, Oscar

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