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Bloch Analysis of Artificial Lines and Surfaces Exhibiting Glide Symmetry
Sorbonne Univ, L2E, UR2, F-75005 Paris, France..
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
Sorbonne Univ, L2E, UR2, F-75005 Paris, France..
2019 (English)In: IEEE transactions on microwave theory and techniques, ISSN 0018-9480, E-ISSN 1557-9670, Vol. 67, no 7, p. 2618-2628Article in journal (Refereed) Published
Abstract [en]

Glide-symmetric structures have recently emerged as a smart choice to design planar lenses and electromagnetic bandgap materials. We discuss here the conditions under which a glide-symmetric structure is equivalent to a nonglide-symmetric structure with a reduced period. To this aim, we propose an analysis method based on network theory to efficiently derive the dispersive behavior of these periodic structures. Both phase and attenuation constants can be determined, with potential applications to both guiding and radiating structures. Retaining higher order modal interactions among cells helps to derive the dispersive behavior of periodic structures more accurately. Furthermore, we take advantage of the higher symmetry of these structures to decrease the computational cost by considering only one half or one-quarter of a unit cell instead of the entire cell. We study one and 2-D glide-symmetric structures and confirm the validity of our analysis with comparisons from commercial software.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2019. Vol. 67, no 7, p. 2618-2628
Keywords [en]
Dispersion analysis, glide symmetry, higher symmetry, periodic structures, transmission matrix
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-255424DOI: 10.1109/TMTT.2019.2916821ISI: 000473597700016Scopus ID: 2-s2.0-85068451481OAI: oai:DiVA.org:kth-255424DiVA, id: diva2:1343116
Note

QC 20190815

Available from: 2019-08-15 Created: 2019-08-15 Last updated: 2019-08-15Bibliographically approved

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Quevedo-Teruel, Oscar

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