Energy transfer and up-conversion in rare-earth doped dielectric crystals

Alexandra M. Tkachuk

doi:10.1117/12.229129

3 January 1996 Energy transfer and up-conversion in rare-earth doped dielectric crystals

Alexandra M. Tkachuk

Proceedings Volume 2706, Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions; (1996) https://doi.org/10.1117/12.229129
Event: Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare Earth and Transitional Ions, 1995, St. Petersburg, Russian Federation

Abstract

In this work, we consider the prospects of development of the visible, and IR laser-diode pumped lasers based on TR³⁺-doped double-fluoride crystals. On the basis of estimates of the probabilities of competing non-radiative energy-transfer processes obtained from the experiments and theoretical calculations, the conclusions are drawn on the efficiency of up-conversion pumping and selfquenching of the upper TR³⁺ states excited by laser-diode emission. The effect of the host composition, dopant concentration, and temperature on the efficiency of up-conversion processes is demonstrated on the example of the YLF:Nd, YLF:Er, BaY₂F₈:Er, and BaY₂F₈:Er,Yb crystals. The transfer microparameters for most important cross-relaxation transitions are determined and the conclusions about interaction mechanisms are drawn.

Citation Download Citation

Alexandra M. Tkachuk "Energy transfer and up-conversion in rare-earth doped dielectric crystals", Proc. SPIE 2706, Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions, (3 January 1996); https://doi.org/10.1117/12.229129

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