Analysis of the spectral response of fractal antennas related with its geometry and current paths

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Cuadrado, Alexander and López-Alonso, José Manuel and Martínez Antón, Juan Carlos and Ezquerro Rodríguez, José Miguel and González, Francisco Javier and Alda, Javier (2015) Analysis of the spectral response of fractal antennas related with its geometry and current paths. Proceedings of SPIE, 9547 (954736). ISSN 0277-786X

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Official URL: http://dx.doi.org/10.1117/12.2187946



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.


Item Type:Article
Additional Information:

ISBN: 978-162841713-5
CODEN: PSISD
Copyright 2015 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.

Uncontrolled Keywords:optical antennas, fractal antennas, multiband antennas, Microwave technology, Radio frequencies
Subjects:Sciences > Physics > Optics
Medical sciences > Optics > Geometrical and instumental optics
Medical sciences > Optics > Optoelectronics
ID Code:37805
Deposited On:23 May 2016 08:42
Last Modified:25 May 2016 08:21

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