Arbitrary polygonal cloaks with multiple invisible regions

Yang Luo School of Information Science and Technology, East China Normal University, 500 Dongchuan Road, Shanghai 200241, P.R. China; Department of Applied Physics and Material Research Center, The Hong Kong Polytechnic University, Hung Hom, Kowloon, P.R. ChinaCorrespondence[email protected]

Lian-Xing He Department of Applied Physics and Material Research Center, The Hong Kong Polytechnic University, Hung Hom, Kowloon, P.R. China

Shou-Zheng Zhu School of Information Science and Technology, East China Normal University, 500 Dongchuan Road, Shanghai 200241, P.R. China

Yu Wang Department of Applied Physics and Material Research Center, The Hong Kong Polytechnic University, Hung Hom, Kowloon, P.R. China

Abstract

Arbitrary polygonal cloaks with multiple invisible regions are achieved by transformation optics. The original total space is divided into several layers. Choosing proper spatial mappings for these layers, a few empty layers in which objects can be hidden without bringing any scattering are available as extended invisible regions. Compared with the original polygonal cloaks the proposed one can provide multiple interior and/or exterior invisible regions simultaneously, and the objects can thus be hidden in the interior cavity and/or in the exterior space, or even be embedded into the gap between the cloaking shells.

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Acknowledgements

This work was supported by the Hong Kong Innovation and Technology Fund (ITP/026/09NP).

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Related Research Data

THREE-DIMENSIONAL RECIPROCAL INVISIBILITY CLOAK WITH MULTILAYERED STRUCTURE

Source: Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo

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Arbitrary polygonal cloaks with multiple invisible regions

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