Measurement of Fast Electrons Spectra Generated by Interaction between Solid Target and Peta Watt Laser

T. Tanimoto, H. Habara, K.A. Tanaka, R. Kodama, M. Nakatsutsumi, K.L. Lancaster, J.S. Green, R.H.H. Scott, M. Sherlock, P.A. Norreys, R.G. Evans, M.G. Haines, S. Kar, M. Zepf, J. King, T. Ma, M.S. Wei, T. Yabuuchi, F.N. Beg, M.H. KeyP. Nilson, R.B. Stephens, H. Azechi, K. Nagai, T. Norimatsu, K. Takeda, J. Valente, J.R. Davies

Research output: Contribution to journalArticle

Abstract

Fast electron energy spectra have been measured for a range of intensities between 1018 Wcm−2 and 1021 Wcm−2 and for different target materials using electron spectrometers. Several experimental campaigns were conducted on peta watt laser facilities at the Rutherford Appleton Laboratory and Osaka University. In these experimental campaigns, the pulse duration was varied from 0.5 ps to 5 ps. The laser incident angle was also changed from normal incidence to 40° in p-polarized. The results show a reduction from the ponderomotive scaling on fast electrons over 1020 Wcm−2.
Original languageEnglish
Article number022067
Number of pages4
JournalJournal of Physics: Conference Series
Volume244
Issue number2
DOIs
Publication statusPublished - Sep 2010
Event6th International Conference on Inertial Fusion Sciences and Applications - San Francisco, United States
Duration: 01 Sep 201001 Sep 2010

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