Abstract
We present data of experiments on the resonant photopumping of Mo vii by Mo xii as a method of generating a coherent vacuum UV source near 600 Å. The experiment is based on a scheme in which the 4p6–4p56s transition in Mo vii is resonantly photopumped by the 4p 2P3/2–5s2S1/2 transition in Mo xii. Results of the laser-produced plasma experiments show the successful enhancement of the population of the Mo vii 4p56s upper lasing level when Mo vii is pumped by an adjacent Mo xii plasma. No enhancement was seen in a control experiment in which the Mo vii plasma was irradiated by a Zr x plasma. Finally, estimates of the relative population densities between the 5s and the 6p levels are given to show that the experimental conditions are close to those needed to produce a population inversion.
© 1994 Optical Society of America
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