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Proceedings Paper

Hard x-ray production from femtosecond plasma induced in clusterlike solids
Author(s): S. A. Gavrilov; D. M. Golishnikov; Vyacheslav M. Gordienko; P. M. Mikheev; Andrey B. Savel'ev; A. A. Shashkov; R. V. Volkov
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Paper Abstract

Recent advances in hard x-ray production from porous silicon targets have been reported. Experimental data on efficient hot electron generation in plasma, created by 200 fs laser pulses at intensity in excess of 1016 W/cm2 are discussed. The assessment of the hot electron temperature in single laser shot was made using simple modification of the well known x-ray filter method. X-ray quanta with energy of approximately 80 keV were observed at the 'moderate' intensity of 2 X 1016 W/cm2, revealing the existence of the second non-thermal electron component with the 'temperature' of 30-50 keV. Finally, we discuss the feasibility to design 2.5 MeV neutron source with peak flux of more than 1020 neutrons using deuterium enriched nanowire metallic arrays.

Paper Details

Date Published: 25 February 2000
PDF: 9 pages
Proc. SPIE 4070, ALT '99 International Conference on Advanced Laser Technologies, (25 February 2000); doi: 10.1117/12.378156
Show Author Affiliations
S. A. Gavrilov, Moscow Institute of Electronic Techniques (Russia)
D. M. Golishnikov, M.V. Lomonosov Moscow State Univ. (Russia)
Vyacheslav M. Gordienko, M.V. Lomonosov Moscow State Univ. (Russia)
P. M. Mikheev, M.V. Lomonosov Moscow State Univ. (Russia)
Andrey B. Savel'ev, M.V. Lomonosov Moscow State Univ. (Russia)
A. A. Shashkov, M.V. Lomonosov Moscow State Univ. (Russia)
R. V. Volkov, M.V. Lomonosov Moscow State Univ. (Russia)


Published in SPIE Proceedings Vol. 4070:
ALT '99 International Conference on Advanced Laser Technologies

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