1. Univ Lyon, UJM-Saint-Etienne, CNRS, Institut
d Optique Graduate School, Laboratoire Hubert Curien UMR 5516, F-42023 Saint-Etienne, France
2. Laser
Processing Group, Instituto de Optica, Serrano 121, 28006 Madrid, Spain
3. MATEIS,
UMR CNRS 5510, University of Lyon, INSA Lyon, University Lyon I, 6921 Villeurbanne, France
4. CNRS-UMR
5130, IMEP-LAHC, Minatec, Grenoble-INP, F-38016 Grenoble, France