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Research Activities > Programs > Electromagnetic Metamaterials

Electromagnetic Metamaterials and their Approximations:
Practical and Theoretical Aspects

CSIC Building (#406), Seminar Room 4122.
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Estimates for the Effect of Small Electromagnetic Inhomogeneities and their Relevance to Approximate Cloaking

Professor Michael Vogelius

Rutgers University

Abstract:   I shall provide a review of work carried out over the last 10 years or so, the focus of which has been to very precisely assess the field perturbations caused by the presence of small electromagnetic inhomogeneities. Special attention will be devoted to the question of the independence of such estimates of the material properties of the inhomogeneities.

One principal reason for the interest in material independent estimates is that they provide a very effective tool for the assessment of the level of "invisibility" associated with natural families of "nondegenerate, approximate" cloaks.

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