A near-perfect invisibility cloak constructed with homogeneous materials

Details A near-perfect invisibility cloak constructed with homogeneous materials A near-perfect invisibility cloak constructed with homogeneous materials

2010-05-28

arxiv.org/abs/1005.5206v1

Opt. Express, 2009, 17, 23410-23416

Physics

Optics

7 pages, 4 figures, published in Optics Express

Scientific paper

10.1364/OE.17.023410

A near-perfect, non-singular cylindrical invisibility cloak with diamond cross section is achieved by a two-step coordinate transformation. A small line segment is stretched and then blown up into a diamond space, and finally the cloak consisting of four kinds and eight blocks of homogeneous transformation media is obtained. Numerical simulations confirm the well performance of the cloak. The operation bandwidth of the cloak is also investigated. Our scheme is promising to create a simple and well-performed cloak in practice.

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