Novel techniques for acoustic and electromagnetic field
manipulations and their applications
October 29, 2010
3:00 pm 646 PGH
Abstract
During the recent years, there has been, in the mathematical and physical
communities as well, a large interest in the theoretical and practical
design of structures and antennas offering new possibilities in the
manipulation of acoustic or electromagnetic fields with a wide span of
applications. In the first part of this talk I will introduce the ideas
behind transformation acoustic/optics for passive acoustic/electromagnetic
field manipulations, and discuss our recent analytical and numerical
results on the mathematical and physical feasibility of this technique for
cloaking. In the second part of the talk, I will describe our novel
alternative strategy for active acoustic/electromagnetic field
manipulations, and discuss its feasibility, advantages and limitations.
Applications of this strategy to sonar or radar cloaking, to the
realization of static or moving illusions or to the remote control of
targets will be presented as well.
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