Laser-spectroscopy measurement of the cross section of excitation transfer in a gas of like atoms
Karlov N.V., Krynetskii B.B., Mishin V.A., Prokhorov A.M.
The cross section for the transfer of excitation of monatomic europium vapor is determined experimentally. A change in the spectrum of the luminescence excited by the radiation of a narrow-dye laser, following excitation transfer by collisions, is revealed by the isotopic structure of the luminescence spectrum of europium.