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Accurate and low-dispersive control of refractive properties in fully metallic waveguides possessing twist symmetry
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]

We here present a method of reducing the dispersive nature of periodic structures by utilizing twist symmetries. A dispersion study of four different 1D periodic structures is conducted to present the advantage of structures possessing twist symmetries. The analysis shows a clearly reduced frequency dependence of twist-symmetric structures, compared to more simple periodic structures. Additional advantage provided by twist symmetries is the accurate control of the refractive properties of the structures. Promising applications of twist-symmetric guiding structures are leaky-wave antennas, filters and phase shifters. 

Place, publisher, year, edition, pages
Institution of Engineering and Technology , 2018. no CP741
Keywords [en]
Higher symmetries, Periodic structures, Twist symmetries, Dispersion (waves), Traveling wave antennas, Dispersive control, Guiding structures, Leaky wave antennas, Metallic waveguide, Refractive properties, Symmetric structures
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Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-247461Scopus ID: 2-s2.0-85057330858OAI: oai:DiVA.org:kth-247461DiVA, id: diva2:1301997
Conference
12th European Conference on Antennas and Propagation, EuCAP 2018, 9 April 2018 through 13 April 2018
Note

QC20190403

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

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Scopushttps://www.eucap2018.org/

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Dahlberg, OskarQuevedo-Teruel, Oscar

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