Author Affiliations

J.G Chanteloup, E. Salmon, C. Sauteret, J.P. Zou, A. Migus, P. Zeitoun,^* A. Klisnick,^* A. Carillon,^* P. Fourcade,^* S. Hubert,^* G. Jamelot,^* D. Ros,^* A.G. McPhee,^** R.M.N. O'Rourke,^** R. Keenan,^** C.LS. Lewis,^** P. Nickles,^† K. Janulewicz,^† M. Kalashnikov,^† and J. Warwick^†

¹Laboratoire pour l'Utilisation dcs Lasers Intenses (LULI), UMR CNRS-CEA 7605, Ecole Polytechnique 91128 Palaiseau, France

^*Laboratoire de Spectroscopie Atomique et Ionique (LSAI), Université Paris-Sud, Bât. 350, 91405 Orsay, France

^**Department of Pure & Applied Physics, The Queen’s University of Belfast, Belfast BT7 1NN, UK

^†Max Born Institute, Rudower Chaussee 6, D-12489 Berlin, Germany