1. Lawrence Livermore National Laboratory, NIF and Photon Sciences, 7000 East Avenue, Livermore, California 94550,
USA
2. Department of Electrical Engineering, University of California, Los Angeles, California 90095, USA
3. University of Texas Austin, Austin, Texas
78705, USA
4. SLAC National Accelerator Laboratory, Stanford,
California 94309, USA
5. Lawrence Berkeley National Laboratory and University of California Berkeley, Berkeley, California 94720,
USA
6. GoLP/Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon,
Portugal