Nuclear processes in dense plasma produced by femtosecond laser pulses at sub-relativistic intensities

Details Nuclear processes in dense plasma produced by femtosecond laser pulses at sub-relativistic intensities Nuclear processes in dense plasma produced by femtosecond laser pulses at sub-relativistic intensities

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..611..233g&link_type=abstract

SUPERSTRONG FIELDS IN PLASMAS: Second International Conference on Superstrong Fields in Plasmas, Second International Conference

Physics

Plasma Production And Heating By Laser Beams, Laser-Plasma Interactions, Photonuclear Reactions, Lepton-Induced Reactions

Scientific paper

We overview our recent results on experimental observation of nuclear process in hot dense plasma created by focusing of femtosecond laser pulses with intensity below 1017 W/cm2 on the target surface. In the first part of the paper we introduce special technique of target properties modification allowing us to increase both hot electron temperature and ion temperature. We successfully applied this technique to rise ion temperature in D-enriched Ti target up to 10-20 keV, thus observing 2.5 MeV neutron yield at intensity of as small as 1016 W/cm2. We further discuss some possibilities arising from our recent experiments on low energy nuclear level excitation in hot dense plasma created by femtosecond laser pulses of moderate intensity. .

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