Abstract
The possibility of using rare gas atoms as the active species in an optically pumped laser is considered. Rg(n p 5 (n+1)s) metastable states may be produced using low-power electrical discharges. The potential then exits for optical pumping and laser action on the n p 5 (n+1)p↔n p 5 (n+1)s transitions. Knowledge of the rate constants for collisional energy transfer and deactivation of the n p 5 (n+1) p states is required to evaluate the laser potential for various Rg + buffer gas combinations. In the present study we have characterized energy transfer processes for Ne (2 p 5 3 p ) + He for the six lowest energy states of the multiplet. Deactivation of the lowest energy level of Kr (4 p 5 5 p ) by He, Ne and Kr has also been characterized. Preliminary results suggest that Kr (4 p 5 5 p ) + Ne mixtures may be the best suited for optically pumped laser applications.
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