Journal
MODERN PHYSICS LETTERS B
Volume 27, Issue 25, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217984913501820
Keywords
Metamaterials; transformation optics; shrinking device; inverse method
Funding
- National Natural Science Foundations of China [61161007, 61261002]
- Scientific Research Fund Major Project of the Education Bureau of Yunnan Province [ZD2011003]
- China Postdoctoral Science Foundation [2013M531989]
- Doctoral Program of Higher Education [20125301120009]
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In this paper, an inverse method to determine the parameters of metamaterial shrinking device is developed. Different from the traditional design method, of which the transformation function must be known in advance, this method allows us to directly obtain material parameters of device without any knowledge of the corresponding transformation function. Moreover, to further remove the inhomogeneity and anisotropy of material parameters, layered device composed of only homogeneous and isotropic materials is presented based on effective medium theory. The validity of such a method and shrinking effect of designed device are confirmed by full-wave simulations.
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