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Spectroscopic and laser properties of Er3+-doped monoclinic BaY2F8 single crystals
Authors:Kaminskii  A. A.  Sarkisov  S. E.  Below  F.  Eichler  H. -J.
Affiliation:1.A. V. Shubnikov Institute of Crystallography,Academy of Sciences of the USSR,Moscow,USSR;2.Optical Institute,Technical University of Berlin,FRG
Abstract:

The luminescence and absorption properties of Ba(Y1−xEr x )2F8 (x=0.001, 0.01, 0.05, 0.1, 0.2 and 0.3) and the Er3+-ion decay kinetics of luminescent transitions from three initial laser states, the4S3/2,4F.9/2 and4I11/2 manifolds, were measured. The crystal-field splitting schemes for allJ-manifolds which are involved in (JJ′)-luminescence transitions and stimulated emission parameters of Er3+ -ions in BaY2F8 were determined. A comparison of laser powers and efficiencies of BaY2F8 and Y3Al5O12, Lu3Al5O12 and LiYF4 single crystals doped with Er3+-ions shows the similar performance of these materials.

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