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Radiative and non-radiative energy transfers in Yb3+-doped sesquioxide and garnet laser crystals from a combinatorial approach based on gradient concentration fibers by G. Boulon; L. Laversenne; C. Goutaudier; Y. Guyot; M.T. Cohen-Adad is a Materials Science article available to read on EtoBox.

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The laser heated pedestal growth (LHPG) method allows us to grow Yb 3+ -doped oxide single crystal fiber with no Yb segregation. We have choosen Y 3 Al 5 O 12 (YAG) Yttrium aluminum garnet and Y 2 O 3 yttria sesquioxide as Yb 3+doped host crystals, which are considered to be among the best laser crystals due to unusual combination of favorable properties. A combinatorial chemistry approach has been applied by growing concentration gradient crystal fibers allowing the study of the excited state dynamics by the measurement of two important features in laser crystals: the intrinsic radiative lifetime and the analysis of radiative and non-radiative energy transfers which occur in the Yb 3+ concentration quenching processes.

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Author

G. Boulon; L. Laversenne; C. Goutaudier; Y. Guyot; M.T. Cohen-Adad

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-2313)

Published

2003

Language

EN

Field

Materials Science (Physical Sciences)