637 citations · 3.1k across the 113 of their papers we have counts for
120 papers
High-frequency homogenization for periodic dispersive media
Marie Touboul, Benjamin Vial, Raphaël Assier +2
High-frequency homogenization is used to study dispersive media, containing inclusions placed periodically, for which the properties of the material depend on the frequency (Lorent…
Electromagnetic cloak design with mono-objective and bi-objective optimizers: seeking the best tradeoff between protection and invisibility
Ronald Aznavourian, Guillaume Demesy, Sébastien Guenneau +1
We revisit the design of cloaks, without resorting to any geometric transform. Cancellation techniques and anomalous resonances have been applied for this purpose. Instead of a ded…
Subwavelength pulse focusing and perfect absorption in the Maxwell fisheye
Gautier Lefebvre, Marc Dubois, Younes Achaoui +4
Maxwell's fisheye is a paradigm for an absolute optical instrument with a refractive index deduced from the stereographic projection of a sphere on a plane. We investigate experime…
Polarization State Conversion through Chiral Butterfly Meta-Structure
Hicham Mangach, Younes Achaoui, Muamer Kadic +3
The recent emergence of chirality in mechanical metamaterials has revolutionized the field, enabling achievements in wave propagation and polarization control. Despite being an int…
The emergence of low-frequency dual Fano resonances in chiral twisting metamaterials
Brahim Lemkalli, Muamer Kadic, Youssef El Badri +3
In the current work, through a finite element analysis, we demonstrate that a configuration of chiral cells having syndiotactic symmetry provides dual Fano resonances at low freque…
Robust collimated beaming in 3D acoustic sonic crystals
A. L. Vanel, M. Dubois, C. Tronche +11
We demonstrate strongly collimated beaming, at audible frequencies, in a three-dimensional acoustic phononic crystal where the wavelength is commensurate with the crystal elements;…