Abstract
Recent papers have reported on the properties of scandium and aluminum garnets doped with trivalent chromium, thulium, and holmium for 2-μm laser operation.1-3 However, there have been no systematic investigations of the transfer efficiencies between Cr3+ and Tm3+ in various hosts and how these efficiencies change with activator and sensitizer concentration. The present work includes both experimental and theoretical studies of the transfer efficiencies in YAG, YSAG, and YSGG.
© 1989 Optical Society of America
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