Shape resonances in extraordinary transmission


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Molen van der, K.L. and Klein Koerkamp, K.J. and Segerink, F.B. and Hulst van, N.F. and Enoch, S. and Kuipers, L. (2005) Shape resonances in extraordinary transmission. In: European Quantum Electronics Conference, EQEC, 12-17 June 2005, Munich, Germany.

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Abstract:The paper focuses on the extraordinary transmission phenomenon, an example of plasmonics. In a periodic arrangement of sub-wavelength holes in a metal film the transmitted fraction of the incident light exceeds the open air fraction of the film for certain colours. This enhanced transmission has been attributed to a resonant excitation of surface plasmons set up by the periodicity of the array. But by merely changing the shape of the sub-wavelength holes from circular to rectangular can affect the extraordinary transmission.
Item Type:Conference or Workshop Item
Copyright:© 2005 IEEE
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Link to this item:http://purl.utwente.nl/publications/55787
Official URL:http://dx.doi.org/10.1109/EQEC.2005.1567504
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