Author Affiliations

D Neely,^a,* K. Krushelnick,^a,1 S. Mangles,^a,1 R Clarke,^a J. Collier,^a AE. Dangor,^a,1 CN. Danson,^a RD. Edwards,^a,2 S. Fritzler,^a,1 A. Gopal,^a,1 P. Hatton,^a R. Heathcote,^a C. Hernandez-Gomez,^a KWD. Ledingham,^a,2,3 P. McKenna,^a,3 Z. Najmudin,^a,1 B. Walton,^a,1 and M. Wei^a,1

^aCentral Laser Facility, CCLRC Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, England, OX11 0QX

¹The Blackett Laboratory, Imperial College London, London SW7 2AZ, UK

²AWE plc, Aldermaston, Reading, RG7 4PR, UK

³Department of Physics, University of Strathclyde, Glasgow G4 0NG, Scotland

^*Corresponding author: d.neely@rl.ac.uk