Acoustic metasurface.
Acoustic metamaterials-based surface for manipulating incident waves from a given direction towards a programmed (non trivial) direction.
Article : “Acoustic carpet cloak based on an ultrathin metasurface”, H Esfahlani, S Karkar, H Lissek, JR Mosig, Physical Review B 94 (1), 014302
[Worked realized at EPFL (coll. Hervé Lissek and Hussain Esfahlani)] (2013-2016)