*Cedric Thaury1, Clement Caizergues1, Kosta Oubrerie1, Slava Smartsev2, Victor Malka2, Julien Gautier1, Jean-Philippe Goddet1, Kim Ta-Phuoc1, Amar Tafzi1
(1. Laboratoire d’Optique Appliquee, Ecole polytechnique - ENSTA - CNRS - Institut Polytechnique de Paris, 828 Boulevard des Marechaux, 91762 Palaiseau, France, 2. Department of Physics of Complex Systems, Weizmann Institute of Science, Rehovot 7610001, Israel)