Shape resonances in extraordinary transmission


Molen, K.L. van der and Klein Koerkamp, K.J. and Segerink, F.B. and Hulst, N.F. van and Enoch, S. and Kuipers, L. (2005) Shape resonances in extraordinary transmission. In: European Quantum Electronics Conference, EQEC, 12-17 June 2005, Munich, Germany (pp. p. 339).

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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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