Abstract

Interest in obtaining solid-state blue and green lasers that can be pumped with available red or near-infrared semiconductor laser diodes has stimulated research activity in upconversion materials. Upconversion pumped laser emission has been previously reported for Tm3+: Y2BaF8,1 however, there have been no studies to date on the upconversion gain reported for this material. Previous pump-probe gain measurements performed on Tm3+:YLF2 revealed several new features of interest that were not evident from prior spectroscopic and laser cavity experiments, so similar measurements were undertaken for Tm3+:Y2BaF8, and are reported here.

© 1996 Optical Society of America

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References

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