Characterization of multiterawatt laser-solid interactions for proton acceleration

McKenna, P. and Ledingham, K. W. D. and Spencer, I. and McCany, T. and Singhal, R. P. and Ziener, C. and Foster, P. S. and Divall, E. J. and Hooker, C. J. and Neely, D. and Langley, A. J. and Clarke, R. J. and Norreys, P. A. and Krushelnick, K. and Clark, E. L. (2002) Characterization of multiterawatt laser-solid interactions for proton acceleration. Review of Scientific Instruments, 73 (12). pp. 4176-4184. ISSN 1089-7623 (https://doi.org/10.1063/1.1516855)

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Abstract

The characterization of multiterawatt laser-solid interactions for proton acceleration was discussed. The stages of ionization of a target gas was investigated using time-of-flight spectrometer. Results showed a factor of 1.5 uncertainity in the focused intensity when ion yields were measured with predictions of an atomic tunneling ionization. A maximum proton energy of 1.5 MeV was also observed.

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