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B2. Approximate electromagnetic cloaking of spherical bodies

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3 Author(s)

In cloaking, a body is hidden from detection by surrounding it by a coating cloaking material. In the coordinate transformation method the body to be hidden is transformed virtually into a point or a line. Some components of the electrical parameters of the cloaking material (ε, μ) are required to have infinite or zero value at the boundary of the hidden object. Approximate cloaking can be achieved by transforming the hidden body virtually into a small object rather than a point or a line, which eliminates the zero or infinite values of the electrical parameters. In this work the scattering properties of the cloaked object are studied for conducting and dielectric sphere as a function of the virtual transformed object radius. The electrical parameters values of the cloaking material are also studied as a function of the radius of the virtual transformed object and the cloaking shell thickness.

Published in:

Radio Science Conference (NRSC), 2012 29th National

Date of Conference:

10-12 April 2012