Enhanced microwave transmission through quasicrystal hole arrays
Papasimakis, N., Fedotov, V.A., Schwanecke, A.S., Zheludev, N.I. and García de Abajo, F.J. (2007) Enhanced microwave transmission through quasicrystal hole arrays. Applied Physics Letters, 91, (8), 081503-[3pp]. (doi:10.1063/1.2773763).
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The authors report on the observation of enhanced microwave transmission through quasiperiodic hole arrays in metal films. The fraction of transmitted light reaches 50% in a self-standing metal film and approaches 90% when the film is sandwiched between thin dielectric slabs, while the holes occupy only 10% of the sample area. The maximum transmission exhibits a Breit-Wigner resonance behavior, accompanied by zero phase change and rendering the film almost invisible over a wide frequency range. The extraordinary transmission phenomenon is interpreted in terms of resonances in the self-consistent interaction between holes, which are represented by effective electric and magnetic dipoles.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||03 Dec 2007|
|Last Modified:||21 Aug 2012 00:45|
|Contributors:||Papasimakis, N. (Author)
Fedotov, V.A. (Author)
Schwanecke, A.S. (Author)
Zheludev, N.I. (Author)
García de Abajo, F.J. (Author)
|Date:||23 August 2007|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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