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Design of Nonmagnetic All-mode Waveguide Coupler with Perfect Transmission Using Transformation Optics
Ferdowsi Univ Mashhad, Dept Elect Engn, Mashhad, Razavi Khorasan, Iran.;Ferdowsi Univ Mashhad, Commun & Comp Res Ctr, Mashhad, Razavi Khorasan, Iran..
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
Ferdowsi Univ Mashhad, Dept Elect Engn, Mashhad, Razavi Khorasan, Iran..
Ferdowsi Univ Mashhad, Dept Elect Engn, Mashhad, Razavi Khorasan, Iran..
2019 (English)In: 13th European Conference on Antennas and Propagation, EuCAP 2019, Institute of Electrical and Electronics Engineers (IEEE), 2019, article id 8739511Conference paper, Published paper (Refereed)
Abstract [en]

Using the transformation optics method together with the basic properties of Maxwell equations, a compact nonmagnetic waveguide coupler is designed that can ideally couple all TMn modes. Two compression functions are proposed to provide a perfect smooth transition between the waveguides. This coupler can be used to guide and compress a vacuumfilled waveguide to a smaller waveguide with a predefined higher dielectric constant inside. The design method is validated by simulated examples using COMSOL Multiphysics.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2019. article id 8739511
Series
Proceedings of the European Conference on Antennas and Propagation, ISSN 2164-3342
Keywords [en]
transformation optics, waveguide coupler, non-magnetic media
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-257473ISI: 000480384700210Scopus ID: 2-s2.0-85068469516ISBN: 978-8-8907-0188-7 (print)OAI: oai:DiVA.org:kth-257473DiVA, id: diva2:1348462
Conference
13th European Conference on Antennas and Propagation, EuCAP 2019; Krakow; Poland; 31 March 2019 through 5 April 2019
Note

QC 20190904

Available from: 2019-09-04 Created: 2019-09-04 Last updated: 2019-09-04Bibliographically approved

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Quevedo-Teruel, Oscar

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