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Spherical cloaking using nonlinear transformations for improved segmentation into concentric isotropic coatings

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Spherical cloaking using nonlinear transformations for improved segmentation into concentric isotropic coatings

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dc.contributor.author Qiu, Cheng Wei
dc.contributor.author Hu, Li
dc.contributor.author Zhang, Baile
dc.contributor.author Wu, Bae-Ian
dc.contributor.author Johnson, Steven G.
dc.contributor.author Joannopoulos, John D.
dc.date.accessioned 2012-10-25T06:30:15Z
dc.date.available 2012-10-25T06:30:15Z
dc.date.copyright 2009
dc.date.issued 2012-10-25
dc.identifier.citation Qiu, C., Hu, L., Zhang, B., Wu, B. I., Johnson, S. G., & Joannopoulos, J. D. (2009). Spherical cloaking using nonlinear transformations for improved segmentation into concentric isotropic coatings. Optics Express, 17(16), 13467-13478.
dc.identifier.issn 1094-4087
dc.identifier.uri http://hdl.handle.net/10220/8800
dc.description.abstract Two novel classes of spherical invisibility cloaks based on nonlinear transformation have been studied. The cloaking characteristics are presented by segmenting the nonlinear transformation based spherical cloak into concentric isotropic homogeneous coatings. Detailed investigations of the optimal discretization (e.g., thickness control of each layer, nonlinear factor, etc.) are presented for both linear and nonlinear spherical cloaks and their effects on invisibility performance are also discussed. The cloaking properties and our choice of optimal segmentation are verified by the numerical simulation of not only near-field electric-field distribution but also the far-field radar cross section (RCS).
dc.language.iso en
dc.relation.ispartofseries Optics express
dc.rights © 2009 Optical Society of America. This paper was published in Optics Express 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 URL: [http://dx.doi.org/10.1364/OE.17.013467].  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.
dc.subject DRNTU::Engineering::Mathematics and analysis::Simulations.
dc.title Spherical cloaking using nonlinear transformations for improved segmentation into concentric isotropic coatings
dc.type Journal Article
dc.contributor.school School of Physical and Mathematical Sciences
dc.identifier.doi http://dx.doi.org/10.1364/OE.17.013467
dc.description.version Published version

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