1. Faculty of Physics, Weizmann Institute of Science, Rehovot 7610001, Israel
2. Laboratoire d’Optique Appliquée, Ecole polytechnique—ENSTA—CNRS—Institut Polytechnique de Paris, Palaiseau, France
3. Institute of Physics, CAS, ELI Beamlines, Na Slovance 2, 182 21 Prague 8, Czech Republic
4. Institute of Plasma Physics, CAS, Za Slovankou 3, 182 21 Prague 8, Czech Republic