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FDTD analysis of nano-antenna structures with dispersive materials at optical frequencies



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Rico García, José María y López Alonso, José Manuel y Alda Serrano, Javier (2005) FDTD analysis of nano-antenna structures with dispersive materials at optical frequencies. In Nanotechnology II. Proceedings of the Society of Photo-Optical Instrumentation Engineers. Proceedings of the SPIE, 137 (5838). SPIE, Bellingham, pp. 137-144. ISBN 0-8194-5833-3

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URL Oficial: http://dx.doi.org/10.1117/12.608708


The Finite-Difference Time Domain method has encountered several difficulties when analyzing dispersive materials. This is the case of the metal structures that configure an optical antenna. These devices couple the electromagnetic radiation to conform currents that are rectified by another physical element attached to the antenna. Both elements: antenna and rectifier configures an optical detector with sub-wavelength dimensions. In this contribution we analyze the effect on the currents induced by the incident electromagnetic field using FDTD and taking into account the dispersive character of metal at optical frequencies. The analysis is done in a 2 dimensional framework and it serves as an analytical tool for the election of material and structures in the fabrication of optical antennas.

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ISSN: 0277-786X
From Conference on Nanotechnology II, Seville, Spain, may 09-11, 2005
Copyright 2005. Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Palabras clave:Nanotechnology ; Optical antenna ; Optical frequencies ; FDTD
Materias:Ciencias > Física > Electromagnetismo
Ciencias > Física > Optica
Ciencias Biomédicas > Óptica y optometría > Optoelectrónica
Código ID:35193
Depositado:01 Feb 2016 15:33
Última Modificación:01 Aug 2017 12:26

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