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A higher-order optical transformation for nonmagnetic cloaking

✍ Scribed by Ilaria Gallina; Giuseppe Castaldi; Vincenzo Galdi

Book ID
102518955
Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
402 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

In coordinate‐transformation‐based approaches to electromagnetic concealment (“cloaking”) of objects, use of higher‐order (quadratic) mappings has been proposed as an effective device to obtain satisfactory responses without the use of magnetic materials that are complicated to synthesize at optical frequencies. In this article, we explore a new higher‐order algebraic transformation, which allows, in principle, for a broader range of applicability and further parametric optimization. Via full‐wave numerical studies of near‐ and far‐field observables, we assess its performance by comparison with various reference cases (nonreduced parameters, quadratic transformation, no cloak). © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 3186–3190, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23905

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