The optical absorption and up-conversion luminescence of oxyfluoride glasses in the system SiO2–PbO–PbF2–CdF2 coactivated by Yb3+–RE3+ ions (where RE = Er, Tm, Ho, Dy, Pr, or Tb) are investigated. Excitation with a laser diode in the IR range (960 nm) gives intense green, blue, and red luminescence. The color characteristics of the up-conversion luminescence in the CIE 1931 system are determined. The efficiency of energy transfer from the Yb3+ to the RE3+ ions is found to be 70% for RE = Er, Tm, and Ho. The efficiency of cooperative energy transfer reaches 10% for glass with Yb–Tb ions.
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Translated from Steklo i Keramika, No. 1, pp. 9 – 13, January, 2016.
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Loiko, P.A., Rachkovskaya, G.E., Zakharevich, G.B. et al. Luminescence of Oxyfluoride Glasses Containing Yb3+–RE3+ Ions. Glass Ceram 73, 9–13 (2016). https://doi.org/10.1007/s10717-016-9815-x
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DOI: https://doi.org/10.1007/s10717-016-9815-x