1. Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109, USA
2. Space Research Laboratory, University of Michigan, Ann Arbor, Michigan 48109, USA
3. Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
4. Department of Physics and Astronomy, University of Rochester, Rochester, New York 14623, USA
5. Institute of Space and Plasma Sciences, National Cheng Kung University, Tainan, Taiwan
6. Department of Mechanical Engineering, University of Rochester, Rochester, New York 14623, USA