STUDIES IN EXCHANGE INTERACTIONS TO PRODUCE POPULATION INVERSIONS IN LASER MATERIALS.
NATIONAL CO INC MALDEN MASS
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The pure chlorides of praseodymium and erbium, and mixtures, were investigated with regard to those properties significant in laser application. Cooperative ion absorptions were examined in PrCl3 and the cross section determined for the 3P0 3F2 level. Lifetime of the 3P0 state in PrCl3 was determined. ErCl3 as well as Er3 in a PrCl3 lattice was examined for coupled interactions. Author