Abstract

The observation of high-gain amplification by stimulated emission is reported for ten lines in neutral and singly ionized neon in a high current pulsed discharge. The 2.1 mu m (3p1-2s2) and 5.4 mu m (3p1-3s'1) lines are shown to compete for the population of their common upper level 3p1. Stimulated emission on the 5.4 mu m transition causes high-gain inversions on two transitions from the 3s'1 level. The excitation mechanism for the 3p1 level is suggested to be a stepwise process involving the 1s2 resonance level.

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