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Title: Electromagnetic detection of a perfect carpet cloak
Authors: Shi, Xihang
Gao, Fei
Lin, Xiao
Zhang, Baile
Keywords: DRNTU::Science::Physics::Optics and light
Issue Date: 2015
Source: Shi, X., Gao, F., Lin, X., & Zhang, B. (2015). Electromagnetic detection of a perfect carpet cloak. Scientific reports, 5, 10401-.
Series/Report no.: Scientific reports
Abstract: It has been shown that a spherical invisibility cloak originally proposed by Pendry et al. can be electromagnetically detected by shooting a charged particle through it, whose underlying mechanism stems from the asymmetry of transformation optics applied to motions of photons and charges [PRL 103, 243901 (2009)]. However, the conceptual three-dimensional invisibility cloak that exactly follows specifications of transformation optics is formidably difficult to implement, while the simplified cylindrical cloak that has been experimentally realized is inherently visible. On the other hand, the recent carpet cloak model has acquired remarkable experimental development, including a recently demonstrated full-parameter carpet cloak without any approximation in the required constitutive parameters. In this paper, we numerically investigate the electromagnetic radiation from a charged particle passing through a perfect carpet cloak and propose an experimentally verifiable model to demonstrate symmetry breaking of transformation optics.
ISSN: 2045-2322
DOI: 10.1038/srep10401
Rights: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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