Surface-Impedance Formulation for Hollow-Core Waveguides Based on Subwavelength Gratings
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Surface-Impedance Formulation for Hollow-Core Waveguides Based on Subwavelength Gratings

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Surface-Impedance Formulation for Hollow-Core Waveguides Based on Subwavelength Gratings

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dc.contributor.author Coves Soler, Ángela
dc.contributor.author Maestre, Haroldo
dc.contributor.author Archilés, Raimon
dc.contributor.author Andrés, Miguel V.
dc.contributor.author Gimeno Martínez, Benito
dc.date.accessioned 2022-05-03T12:59:59Z
dc.date.available 2022-05-03T12:59:59Z
dc.date.issued 2022
dc.identifier.uri https://hdl.handle.net/10550/82537
dc.description.abstract A rigorous Surface Impedance (SI) formulation for planar waveguides is presented. This modal technique splits the modal analysis of the waveguide in two steps. First, we obtain the modes characteristic equations as a function of the SI and, second, we need to obtain the surface impedance values using either analytical or numerical methods. We validate the technique by comparison with well-known analytical cases: the parallel-plate waveguide with losses and the dielectric slab waveguide. Then, we analyze an optical hollow-core waveguide de ned by two high-contrast subwavelength gratings validating our results by comparison with reported values. Finally, we show the potential of our formulation with the analysis of a THz hollow-core waveguide de ned by two surface-relief subwavelength gratings, including material losses in our formulation.
dc.language.iso eng
dc.relation.ispartof Ieee Access, 2022, vol. 10, p. 18843-18854
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Coves Soler, Ángela Maestre, Haroldo Archilés, Raimon Andrés, Miguel V. Gimeno Martínez, Benito 2022 Surface-Impedance Formulation for Hollow-Core Waveguides Based on Subwavelength Gratings Ieee Access 10 18843 18854
dc.subject Ones electromagnètiques
dc.subject Òptica
dc.subject Materials
dc.title Surface-Impedance Formulation for Hollow-Core Waveguides Based on Subwavelength Gratings
dc.type info:eu-repo/semantics/article
dc.date.updated 2022-05-03T12:59:59Z
dc.identifier.doi https://doi.org/10.1109/ACCESS.2022.3151163
dc.identifier.idgrec 150443

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