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Wide-Angle Impedance Matching Using Glide-Symmetric Metasurfaces
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electromagnetic Engineering.ORCID iD: 0000-0002-8608-0640
Univ Oviedo, Dept Elect Engn, Gijon 33003, Spain..
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
2020 (English)In: IEEE Microwave and Wireless Components Letters, ISSN 1531-1309, E-ISSN 1558-1764, Vol. 30, no 1, p. 8-11Article in journal (Refereed) Published
Abstract [en]

This letter demonstrates that glide symmetry can be used to match the impedance of highly dense dielectric profiles in wide angle and broad bandwidth. Using glide-symmetric metasurfaces permits tuning the magnetic properties of materials, so high values of permittivity can be matched to free space in wideband. This matching is achieved without disturbing the performance of the device, since the refractive index remains fixed. The performance of the proposed matching method is validated through measurements for normal incidence. For oblique incidence, a hyperbolic dielectric lens is matched with glide-symmetric structures in simulations. These simulations demonstrate a smooth transmission of the fields, manifesting a well-matched profile of the lens.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2020. Vol. 30, no 1, p. 8-11
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-267514DOI: 10.1109/LMWC.2019.2955074ISI: 000508432100003Scopus ID: 2-s2.0-85078701776OAI: oai:DiVA.org:kth-267514DiVA, id: diva2:1422920
Note

QC 20200409

Available from: 2020-04-09 Created: 2020-04-09 Last updated: 2020-04-09Bibliographically approved

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Ebrahimpouri, MahsaQuevedo-Teruel, Oscar

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