1. Lawrence Livermore National Laboratory, Livermore, California 94550, USA
2. Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623, USA
3. Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
4. General Atomics, P.O. Box 85608, San Diego, California 92186, USA
5. Diamond Materials GmbH, Hans-Bunte-Str. 19, 79108 Freiburg, Germany