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Invisibility cloak without singularity
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DOI：10.1063/1.3026532.png)
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摘要
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An elliptical invisible cloak is proposed using a coordinate transformation in the elliptical-cylindrical coordinate system, which crushes the cloaked object to a line segment instead of a point. The elliptical cloak is reduced to a nearly circular cloak if the elliptical focus becomes very small. The advantage of the proposed invisibility cloak is that none of the parameters is singular and the changing range of all parameters is relatively small.
Keyword:
finite element analysis
light polarisation
light reflection
metamaterials
permeability
permittivity
期刊
IF:
3.6
论文数:
10.4W
被引数:
17.8W
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