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

Arif E. Cetin; Ozgur E. Mustecaplioglu

doi:10.1117/12.821455

20 May 2009 Effects of Bloch's hydrodynamic model on surface plasmon polariton dispersion curve and enhanced transmission of light through single nano-apertures

Arif E. Cetin, Ozgur E. Mustecaplioglu

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Proceedings Volume 7366, Photonic Materials, Devices, and Applications III; 73660G (2009) https://doi.org/10.1117/12.821455
Event: SPIE Europe Microtechnologies for the New Millennium, 2009, Dresden, Germany

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.

Citation Download Citation

Arif E. Cetin and Ozgur E. Mustecaplioglu "Effects of Bloch's hydrodynamic model on surface plasmon polariton dispersion curve and enhanced transmission of light through single nano-apertures", Proc. SPIE 7366, Photonic Materials, Devices, and Applications III, 73660G (20 May 2009); https://doi.org/10.1117/12.821455

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KEYWORDS

Surface plasmons

Metals

Dielectrics

Transmittance

Silver

Surface plasmon polaritons

Wave propagation

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