Physics – Optics
Scientific paper
2009-11-13
Physics
Optics
6 pages, 4 figures
Scientific paper
We extend the design of radially symmetric three-dimensional invisibility cloaks through transformation optics to cloaks with a surface of revolution. We derive the expression of the transformation matrix and show that one of its eigenvalues vanishes on the inner boundary of the cloaks, while the other two remain strictly positive and bounded. The validity of our approach is confirmed by finite edge-elements computations for a non-convex cloak of varying thickness.
Demésy Guillaume
Diatta Andre
Dupont Guillaume
Enoch Stefan
Guenneau Sebastien
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