1. Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
2. Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta T6G1H9, Canada
3. University of Rochester, Rochester, New York 14623, USA
4. Lawrence Livermore National Laboratory, Livermore, California 94550, USA
5. Central Laser Facility, STFC Rutherford Appleton Laboratory, Harwell Oxford, Didcot OX11 0QX, United Kingdom