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Proceedings Paper

Analysis of the spectral response of fractal antennas related with its geometry and current paths
Author(s): Alexander Cuadrado; José M. López-Alonso; Juan C. Martínez-Antón; José M. Ezquerro; Francisco J. González; Javier Alda
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Paper Abstract

Fractal antennas have been proposed to improve the bandwidth of resonant structures and optical antennas. Their multiband characteristics are of interest in radiofrequency and microwave technologies. In this contribution we link the geometry of the current paths built-in the fractal antenna with the spectral response. We have seen that the actual currents owing through the structure are not limited to the portion of the fractal that should be geometrically linked with the signal. This fact strongly depends on the design of the fractal and how the different scales are arranged within the antenna. Some ideas involving materials that could actively respond to the incoming radiation could be of help to spectrally select the response of the multiband design.

Paper Details

Date Published: 28 August 2015
PDF: 7 pages
Proc. SPIE 9547, Plasmonics: Metallic Nanostructures and Their Optical Properties XIII, 954736 (28 August 2015); doi: 10.1117/12.2187946
Show Author Affiliations
Alexander Cuadrado, Univ. Complutense de Madrid (Spain)
Institute of Optics, CSIC (Spain)
José M. López-Alonso, Univ. Complutense of Madrid (Spain)
Juan C. Martínez-Antón, Univ. Complutense of Madrid (Spain)
José M. Ezquerro, Univ. Complutense of Madrid (Spain)
Francisco J. González, Univ. Autónoma de San Luis Potosí (Mexico)
Javier Alda, Univ. Complutense of Madrid (Spain)


Published in SPIE Proceedings Vol. 9547:
Plasmonics: Metallic Nanostructures and Their Optical Properties XIII
Allan D. Boardman; Din Ping Tsai, Editor(s)

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