1. Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623-1299, USA
2. Lawrence Livermore National Laboratory, Livermore, California 94550, USA
3. General Atomics, San Diego, California 92121-1122, USA
4. Kentech Instruments Ltd., Howbery Park, Wallingford OX10 8BA, United Kingdom
5. Sandia National Laboratories, Albuquerque, New Mexico 87123, USA
6. Sydor Technologies, Fairport, New York 14450, USA