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Proceedings Paper

Up-conversion in YLF:Yb3+,Tm3+ laser crystals
Author(s): Alexandra M. Tkachuk; Irene K. Razumova; Maria-France Joubert; Richard Moncorge
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Paper Abstract

We have studied the Yb3+ (reversible reaction) Tm3+ nonradiative energy transfer processes responsible for population of the 1G4 thulium level under Yb3+ or Tm3+ selective laser excitation of YLF:Tm3+,Yb3+ crystal. The microparameters and the rates of the energy transfer via cross-relaxation schemes are determined. It is concluded that the process of populating the 1G4 thulium level is greatly affected by up-conversion processes not only from the 3H4 but also from the 3F4 level, proceeding within the static decay model.

Paper Details

Date Published: 29 December 1998
PDF: 7 pages
Proc. SPIE 3682, Laser Optics '98: Solid State Lasers, (29 December 1998); doi: 10.1117/12.334799
Show Author Affiliations
Alexandra M. Tkachuk, S.I. Vavilov State Optical Institute (Russia)
Irene K. Razumova, S.I. Vavilov State Optical Institute (Russia)
Maria-France Joubert, Univ. Lyon I (France)
Richard Moncorge, Univ. de Caen (France)


Published in SPIE Proceedings Vol. 3682:
Laser Optics '98: Solid State Lasers
Vladimir I. Ustugov, Editor(s)

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