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Proceedings Paper

Effects of Bloch's hydrodynamic model on surface plasmon polariton dispersion curve and enhanced transmission of light through single nano-apertures
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Paper Abstract

We have studied the surface plasmon theory with Bloch's hydrodynamic model. The results of the analysis done by Bloch model have been compared with the ones done with Drude model and the dominant differences between two models in valid frequency range have been shown. The transmittance of the slit embedded in a metal layer has been investigated by these models and the differences have been emphasized. An electron density dependent parameter defined by Bloch model has been used to control the transmission behavior of the light through nano-apertures. A system consisting of a nano-slit formed in a metal layer with a periodically textured surface used for beam focusing has been introduced and how the focusing capacity of the system is controlled by the parameter defined by Bloch model has been shown.

Paper Details

Date Published: 20 May 2009
PDF: 4 pages
Proc. SPIE 7366, Photonic Materials, Devices, and Applications III, 73660G (20 May 2009); doi: 10.1117/12.821455
Show Author Affiliations
Arif E. Cetin, Koç Univ. (Turkey)
Ozgur E. Mustecaplioglu, Koç Univ. (Turkey)

Published in SPIE Proceedings Vol. 7366:
Photonic Materials, Devices, and Applications III
Ali Serpenguzel; Gonçal Badenes; Giancarlo C. Righini, Editor(s)

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