Kb. Blagoev et al., LASER ACTION OF ND(8)(N-ND(9)(N+1)P TRANSITIONS IN HGIII, CUII AND AGII(1)S(2)), Applied physics. B, Lasers and optics, 63(4), 1996, pp. 349-354
A mechanism of the laser action of 5d(8) 6s(2) -5d(9) 6p HgIII transit
ions is proposed. The explanation is based on atomic constants of the
transitions and the predominant role of direct electron excitation of
the upper laser level. The kinetic models of electron beam and hollow
cathode discharge sources are calculated. The theoretical estimations
are compared with experimental data and possible laser transitions are
also proposed. The role of electron impact excitation in the formatio
n of inverse population for two-electron transitions in CuII and AgII
obtained in hollow cathode discharges is discussed.