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11 papers · 1 filter
Negative Index Materials: The Key to "White" Multilayer Fabry-Perot
Michel Lequime, Boris Gralak, Sebastien Guenneau +2
The use of negative index materials is highly efficient for tayloring the spectral dispersion properties of a quarter-wavelength Bragg mirror and for obtaining a resonant behavior…
Stationary plasmon-soliton waves in metal-dielectric nonlinear planar structures: modeling and properties
Wiktor Walasik, Gilles Renversez, Yaroslav Kartashov
We present three complementary methods to study stationary nonlinear solutions in one-dimensional nonlinear metal-dielectric structures. Two of them use an approximate treatment of…
Quasimodal expansion of electromagnetic fields in open two-dimensionnal structures
Benjamin Vial, Frédéric Zolla, André Nicolet +1
A quasimodal expansion method (QMEM) is developed to model and understand the scattering properties of arbitrary shaped two-dimensional (2-D) open structures. In contrast with the…
Controllable emission of a dipolar source coupled with a magneto-dielectric resonant subwavelength scatterer
Brice Rolly, Redha Abdeddaim, Jean-Michel Geffrin +2
We demonstrate experimentally and theoretically that a local excitation of a single scatterer of relative dielectric permittivity ε = 6 permits to excite broad dipolar and quadrupo…
Cloaking via change of variables in elastic impedance tomography
Andre Diatta, Sebastien Guenneau
We discuss the concept of cloaking for elastic impedance tomography, in which, we seek information on the elasticity tensor of an elastic medium from the knowledge of measurements…
Homogenisation and spectral convergence of a periodic elastic composite with weakly compressible inclusions
Shane Cooper
A two phase elastic composite with weakly compressible elastic inclusions is considered. The homogenised two-scale limit problem is found, via a version of the method of two-scale…