Abstract
An experimental investigation of the profiles of the 4471 A and 4922 A lines in the afterglow of an high density plasma of helium produced by laser is reported. The measured profiles of these two neutral helium lines and their forbidden components are given at electron densities between 5 · 1016 cm−3 and 2 · 1017 cm−3 and for electron temperature between 3 and 4 eV.
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