Resonant Transmission of Electromagnetic Fields through Subwavelength Zero-$ε$ Slits

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dc.creatorHalterman, Klaus
dc.creatorFeng, Simin
dc.date2008-08-12
dc.date.accessioned2026-07-07T10:02:28Z
dc.date.available2026-07-07T10:02:28Z
dc.descriptionWe theoretically investigate the transmission of electromagnetic radiation through a metal plate with a zero-$ε$ metamaterial slit, where the permittivity tends towards zero over a given bandwidth. Our analytic results demonstrate that the transmission coefficient can be substantial for a broad range of slit geometries, including subwavelength widths that are many wavelengths long. This novel resonant effect has features quite unlike the Fabry-Pérot-like resonances that have been observed in conductors with deep channels. We further reveal that these high impedance ultranarrow zero-$ε$ channels can have significantly {\it greater} transmission compared to slits with no wave impedance difference across them.
dc.identifierhttps://arxiv.org/abs/0808.1635
dc.identifierhttp://arxiv.org/abs/0808.1635
dc.identifierPhys. Rev. A 78, 021805 (2008)
dc.identifierdoi:10.1103/PhysRevA.78.021805
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/168984
dc.subjectOptics
dc.subjectOther Condensed Matter
dc.titleResonant Transmission of Electromagnetic Fields through Subwavelength Zero-$ε$ Slits
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