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Numerical study of TE-wave propagation in waveguides with graded plasmonic obstacles
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electromagnetic Engineering.ORCID iD: 0000-0001-5396-141x
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electromagnetic Engineering.ORCID iD: 0000-0003-0369-7520
2021 (English)In: 2021 IEEE USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), USNC-URSI 2021: Proceedings, Institute of Electrical and Electronics Engineers Inc. , 2021, p. 90-91Conference paper, Published paper (Refereed)
Abstract [en]

We study transmission, reflection and absorption phenomena in a hollow waveguide of arbitrary cross section, with an inserted graded dielectric layer and TE-wave propagation. We compare the numerical results for the power transmission, reflection and absorption coefficients, obtained using the software COMSOL Multiphysics, with the corresponding results obtained using exact analytic formulae. The results of the present numerical study indicate an excellent agreement with the corresponding exact analytical results. The method proposed in this paper gives directly applicable results that do not require cascading and mode-matching. At the same time, our method has the advantage of being able to model smooth material transitions, that are more realistic in several applications.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2021. p. 90-91
Keywords [en]
Plasmonics, Waveguides, Absorption phenomena, Arbitrary cross section, Dielectric layer, Hollow waveguides, Numerical results, Power reflection coefficient, TE wave, Transmission absorption, Transmission-reflection phenomenon, Wave propagation
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-316270DOI: 10.23919/USNC-URSI51813.2021.9703613ISI: 000861555600045Scopus ID: 2-s2.0-85126779744OAI: oai:DiVA.org:kth-316270DiVA, id: diva2:1688869
Conference
2021 IEEE USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), USNC-URSI 2021, 4 December - 10 December, 2021, Singapore, Singapore
Note

Part of ISBN 978-1-946815-10-1

QC 20230921

Available from: 2022-08-19 Created: 2022-08-19 Last updated: 2023-09-21Bibliographically approved

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Svendsen, Brage B.Dalarsson, Mariana

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • de-DE
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