Geodesic
Optical amplification and photodynamic processes in $\mathrm{CaF}_2$ and $\mathrm{KY}_3\mathrm F_{10}$ crystals doped with trivalent cerium and ytterbium
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 152 (2010) no. 3, pp. 93-98 Cet article a éte moissonné depuis la source Math-Net.Ru

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UV-pump-induced photodynamic processes investigation in $\mathrm{CaF}_2$ and $\mathrm{KY}_3\mathrm F_{10}$ crystals doped with $\mathrm{Ce}^{3+}$ and $\mathrm{Yb}^{3+}$ is reported. Excited-state absorption cross section values for $\mathrm{Ce}^{3+}$ ions and recombination transition rates of free carriers in those crystals have been evaluated. For the first time optical amplification in $\mathrm{CaF}_2:\mathrm{Ce}^{3+}+\mathrm{Yb}^{3+}$ crystal has been observed. Its spectral characteristics are reported.
Mots-clés : 4f–5d interconfigurational transitions
Keywords: excited-state absorption, photodynamic processes, color centers, optical amplification. 
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     author = {S. A. Kirysheva and A. S. Nizamutdinov and V. V. Semashko and A. K. Naumov and S. L. Korableva},
     title = {Optical amplification and photodynamic processes in $\mathrm{CaF}_2$ and $\mathrm{KY}_3\mathrm F_{10}$ crystals doped with trivalent cerium and ytterbium},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {93--98},
     year = {2010},
     volume = {152},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2010_152_3_a13/}
}
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%A S. A. Kirysheva
%A A. S. Nizamutdinov
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%A A. K. Naumov
%A S. L. Korableva
%T Optical amplification and photodynamic processes in $\mathrm{CaF}_2$ and $\mathrm{KY}_3\mathrm F_{10}$ crystals doped with trivalent cerium and ytterbium
%J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
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S. A. Kirysheva; A. S. Nizamutdinov; V. V. Semashko; A. K. Naumov; S. L. Korableva. Optical amplification and photodynamic processes in $\mathrm{CaF}_2$ and $\mathrm{KY}_3\mathrm F_{10}$ crystals doped with trivalent cerium and ytterbium. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 152 (2010) no. 3, pp. 93-98. http://geodesic.mathdoc.fr/item/UZKU_2010_152_3_a13/

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