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Applied Physics Letters / Volume 96 / Issue 23 / DEVICE PHYSICS

Appl. Phys. Lett. 96, 233503 (2010); http://dx.doi.org/10.1063/1.3447794 (3 pages)

An infrared invisibility cloak composed of glass

Elena Semouchkina1,2, Douglas H. Werner2,3, George B. Semouchkin1,2, and Carlo Pantano2,4

1Department of Electrical and Computer Engineering, Michigan Technological University, Houghton, Michigan 49931, USA
2Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
3Department of Electrical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
4Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, USA

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(Received 12 November 2009; accepted 17 May 2010; published online 7 June 2010)

We propose to implement a nonmetallic low-loss cloak for the infrared range from identical chalcogenide glass resonators. Based on transformation optics for cylindrical objects, our approach does not require metamaterial response to be homogeneous and accounts for the discrete nature of elementary responses governed by resonator shape, illumination angle, and inter-resonator coupling. Air fractions are employed to obtain the desired distribution of the cloak effective parameters. The effect of cloaking is verified by full-wave simulations of the true multiresonator structure. The feasibility of cloak fabrication is demonstrated by prototyping glass grating structures with the dimensions characteristic for the cloak resonators.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

diffraction gratings, glass, invisibility cloaks, metamaterials, optical resonators

PACS

  • 42.70.-a

    Optical materials

  • 42.79.-e

    Optical elements, devices, and systems

  • 81.05.Xj

    Metamaterials for chiral, bianisotropic and other complex media

  • 42.79.Dj

    Gratings

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3447794

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

    X. Chen, T. M. Grzegorczyk, W. Bae-Ian, J. Pacheco, and J. A. Kong, Phys. Rev. E 70, 016608 (2004).


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