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Object-dependent cloaking in the first-order Born approximation
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Optics.
2010 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 82, no 1, 013814- p.Article in journal (Refereed) Published
Abstract [en]

We consider the cloaking of a slab object in scalar wave theory within the first-order Born approximation. We show that in the forward direction cloaking is achieved for any transversally invariant, positively refracting, and absorbing object by using a lossy, negative-index metamaterial cloak. Cloaking is perfect and occurs for incident fields having any spatial structure and bandwidth. In the backward direction cloaking is found to be possible for self-imaging fields. In both cases the refractive-index distribution and dispersive properties of the cloak slab resemble those of the object slab. The method of object-dependent cloaking with weak scatterers may find useful applications.

Place, publisher, year, edition, pages
2010. Vol. 82, no 1, 013814- p.
Keyword [en]
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Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-29480DOI: 10.1103/PhysRevA.82.013814ISI: 000279818100012Scopus ID: 2-s2.0-77954855839OAI: oai:DiVA.org:kth-29480DiVA: diva2:395163
Note
QC 20110204Available from: 2011-02-04 Created: 2011-02-02 Last updated: 2017-12-11Bibliographically approved

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