Abstract
The yield of neutrons from the thermonuclear-fusion reaction D(d, n)3He induced in a thin skin layer by the interaction of a high-intensity laser pulse of picosecond duration with thin TiD2 foils is calculated. A multiple ionization of titanium atoms at the leading edge of the laser pulse is considered. The heating of free electrons proceeds via induced inverse bremsstrahlung in elastic electron scattering on multiply charged titanium ions. The electron temperature is calculated. It proves to be about 10 keV at the laser-pulse intensity of 5×1018 W/cm2 at the peak. The neutron yield is estimated at 104 per laser pulse. These results are in qualitative agreement with experimental data.
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