1. Laboratory for Laser Energetics, University of Rochester,New York,USA,14623
2. Jülich-Aachen Research Alliance, JARA, Fundamentals of Future Information Technology,Germany
3. Peter Grünberg Institute (PGI-6), Forschungszentrum Jülich,Jülich,Germany,D-52425
4. Rochester Institute of Technology,Rochester,New York,USA,14623