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Nuclear fusion induced by a super-intense ultrashort laser pulse in a deuterated glass aerogel

  • Atoms, Spectra, Radiation
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Abstract

A SiO2 aerogel with absorbed deuterium is proposed as a target for the fusion reaction d + d → He3 + n induced by a superintense ultrashort laser pulse. The multiple inner ionization of oxygen and silicon atoms in the aerogel skeleton occurs in the superintense laser field. All the formed free electrons are heated and removed from the aerogel skeleton by the laser field at the front edge of the laser pulse. The subsequent Coulomb explosion of the deuterated charged aerogel skeleton propels the deuterium ions up to kinetic energies of ten keV and higher. The neutron yield is estimated at up to 105 neutrons per laser pulse for ∼200–500 ps if the peak intensity is 1018 W/cm2 and the pulse duration is 35 fs.

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From Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 120, No. 3, 2001, pp. 555–561.

Original English Text Copyright © 2001 by Krainov, Smirnov.

This article was submitted by the authors in English.

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Krainov, V.P., Smirnov, M.B. Nuclear fusion induced by a super-intense ultrashort laser pulse in a deuterated glass aerogel. J. Exp. Theor. Phys. 93, 485–490 (2001). https://doi.org/10.1134/1.1410593

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  • DOI: https://doi.org/10.1134/1.1410593

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