Experimental study of proton emission from 60-fs, 200-mJ high-repetition-rate tabletop-laser pulses interacting with solid targets

Spencer, I. and Ledingham, K. W.D. and McKenna, P. and McCanny, T. and Singhal, R. P. and Foster, P. S. and Neely, D. and Langley, A. J. and Divall, E. J. and Hooker, C. J. and Clarke, R. J. and Norreys, P. A. and Clark, E. L. and Krushelnick, K. and Davies, J. R. (2003) Experimental study of proton emission from 60-fs, 200-mJ high-repetition-rate tabletop-laser pulses interacting with solid targets. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 67 (4). pp. 464021-464025. ISSN 1063-651X

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    Abstract

    Proton emission from 60-fs, 200-mJ high-repetition-rate tabletop-laser pulses interacting with solid targets was studied. A maximum proton energy of 1.5 MeV was measured for Mylar targets of thickness 20-40 μm. Results showed a maximum energy of 950 keV for 12μm for aluminum targets, and 850 keV for 12.5μm for copper targets.