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Response of dispersive cylindrical cloaks to a nonmonochromatic plane wave

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Response of dispersive cylindrical cloaks to a nonmonochromatic plane wave

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Title: Response of dispersive cylindrical cloaks to a nonmonochromatic plane wave
Author: Blanchard, Cédric; Wu, Bae-Ian; Portí, Jorge Andrés; Chen, Hongsheng; Zhang, Baile; Morente, Juan Antonio; Salinas, Alfonso
Copyright year: 2009
Abstract: The transmission line modeling method is used to get the time domain response of a dispersive cylindrical cloak to an electromagnetic (EM) plane wave that is slightly nonmonochromatic. Our objective is to numerically study two important phenomena derived from the dispersive nature of the invisibility shell: frequency shifts and time delays. On one hand, the frequency domain representation of the cloak’s response shows that the frequency center is shifted once the EM wave has crossed the cloak; the shift intensity representation spans the entire rainbow spectrum depending on the observation angle. On the other hand, such a full-wave simulation constitutes tangible evidence of the existence of time delays when the EM wave passes through the device. We show that this phenomenon depends on the employed coordinate transformation.
Subject: DRNTU::Science::Mathematics
Type: Journal Article
Series/ Journal Title: Journal of the optical society of America B
School: School of Physical and Mathematical Sciences
Rights: © 2009 Optical Society of America. This paper was published in Journal of the Optical Society of America B and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: http://dx.doi.org/10.1364/JOSAB.26.002117.  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Version: Published version

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