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Proceedings Paper

Energy transfer and up-conversion in rare-earth doped dielectric crystals
Author(s): Alexandra M. Tkachuk
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Paper 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.

Paper Details

Date Published: 3 January 1996
PDF: 12 pages
Proc. SPIE 2706, Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions, (3 January 1996); doi: 10.1117/12.229129
Show Author Affiliations
Alexandra M. Tkachuk, S.I. Vavilov State Optical Institute (Russia)


Published in SPIE Proceedings Vol. 2706:
Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions
Alexander I. Ryskin; V. F. Masterov, Editor(s)

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