1. Department of Physics, University of Nevada Reno, Reno, Nevada 89557, USA
2. Institute of Laser Engineering, Osaka University, Suita, Osaka, Japan
3. Department of Aerospace Engineering, Tohoku University, Sendai, Miyagi, Japan
4. Institute of Laser Technology, Nishi-ku, Osaka, Japan
5. University of California San Diego, La Jolla, California 92093, USA
6. Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
7. LULI, Ecole Polytechnique, Palaiseau, Cedex, France
8. Lawrence Livermore National Laboratory, Livermore, California 94550, USA