Hard x-ray production from femtosecond plasma induced in clusterlike solids

S. A. Gavrilov; D. M. Golishnikov; Vyacheslav M. Gordienko; P. M. Mikheev; Andrey B. Savel'ev; A. A. Shashkov; R. V. Volkov

doi:10.1117/12.378156

25 February 2000 Hard x-ray production from femtosecond plasma induced in clusterlike solids

S. A. Gavrilov, D. M. Golishnikov, Vyacheslav M. Gordienko, P. M. Mikheev, Andrey B. Savel'ev, A. A. Shashkov, R. V. Volkov

Author Affiliations +

Proceedings Volume 4070, ALT '99 International Conference on Advanced Laser Technologies; (2000) https://doi.org/10.1117/12.378156
Event: ALT'99 International Conference: Advanced Laser Technologies, 1999, Potenza-Lecce, Italy

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.

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S. A. Gavrilov, D. M. Golishnikov, Vyacheslav M. Gordienko, P. M. Mikheev, Andrey B. Savel'ev, A. A. Shashkov, and R. V. Volkov "Hard x-ray production from femtosecond plasma induced in clusterlike solids", Proc. SPIE 4070, ALT '99 International Conference on Advanced Laser Technologies, (25 February 2000); https://doi.org/10.1117/12.378156

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