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Metamaterial tunnel barrier gives broadband microwave transmission
A simple structure comprising a metal mesh, symmetrically surrounded by subwavelength thickness dielectric layers, is shown to give near total microwave transmission over a broad frequency range. The mesh may be considered to be a tunnel barrier since it behaves as an ideal plasmonic metamaterial wi...
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| Published in: | Journal of applied physics 2011-01, Vol.109 (1), p.013104-013104-4 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c318t-146b03e86d41b1cecf63c6acf8c7403e51054a158e0c2d0cf126aab7844c81613 |
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| cites | cdi_FETCH-LOGICAL-c318t-146b03e86d41b1cecf63c6acf8c7403e51054a158e0c2d0cf126aab7844c81613 |
| container_end_page | 013104-4 |
| container_issue | 1 |
| container_start_page | 013104 |
| container_title | Journal of applied physics |
| container_volume | 109 |
| creator | Butler, Celia A. M. Hooper, Ian R. Hibbins, Alastair P. Sambles, J. Roy Hobson, Peter A. |
| description | A simple structure comprising a metal mesh, symmetrically surrounded by subwavelength thickness dielectric layers, is shown to give near total microwave transmission over a broad frequency range. The mesh may be considered to be a tunnel barrier since it behaves as an ideal plasmonic metamaterial with a negative effective permittivity and no loss. The introduction of the mesh into the dielectric cavity imposes a finite gradient on the electromagnetic fields at the two mesh-dielectric interfaces. This defines a finite wavelength of the zeroth order Fabry-Pérot-type mode, which would otherwise be infinite. Suitable choice of the mesh parameters yields a broad band of near total transmission associated with the overlap of this zeroth order mode with that of the first order half-wavelength Fabry-Pérot-type resonance. |
| doi_str_mv | 10.1063/1.3525557 |
| format | article |
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Roy</au><au>Hobson, Peter A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Metamaterial tunnel barrier gives broadband microwave transmission</atitle><jtitle>Journal of applied physics</jtitle><date>2011-01-01</date><risdate>2011</risdate><volume>109</volume><issue>1</issue><spage>013104</spage><epage>013104-4</epage><pages>013104-013104-4</pages><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>A simple structure comprising a metal mesh, symmetrically surrounded by subwavelength thickness dielectric layers, is shown to give near total microwave transmission over a broad frequency range. The mesh may be considered to be a tunnel barrier since it behaves as an ideal plasmonic metamaterial with a negative effective permittivity and no loss. The introduction of the mesh into the dielectric cavity imposes a finite gradient on the electromagnetic fields at the two mesh-dielectric interfaces. This defines a finite wavelength of the zeroth order Fabry-Pérot-type mode, which would otherwise be infinite. Suitable choice of the mesh parameters yields a broad band of near total transmission associated with the overlap of this zeroth order mode with that of the first order half-wavelength Fabry-Pérot-type resonance.</abstract><pub>American Institute of Physics</pub><doi>10.1063/1.3525557</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of applied physics, 2011-01, Vol.109 (1), p.013104-013104-4 |
| issn | 0021-8979 1089-7550 |
| language | eng |
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| source | American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list) |
| title | Metamaterial tunnel barrier gives broadband microwave transmission |
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