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A visible cadmium-ion recombination laser based on an electron-ion recombination pumping mechanism is reported. Laser oscillation is observed in the 4f (2)F(7/2)-5d(2)D(5/2) and 4f(2)F(5/2)-5d (2)D(3/2) transitions of Cd II over a range of discharge parameters in the presence of low-pressure helium gas in a sealed discharge tube. Laser oscillation in a sealed discharge tube using a simple capacitor discharge is reported for the first time to the authors' knowlege.
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Thareja et al. (1987) studied this question.
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