Luminescence of Oxyfluoride Glasses Containing Yb3+–RE3+ Ions

被引：0
|
作者：
P. A. Loiko
G. E. Rachkovskaya
G. B. Zakharevich
N. A. Skoptsov
K. V. Yumashev
机构：
[1] Belorussian National Technical University,
[2] National Research Center for Optical Materials and Technologies,undefined
[3] Belorussian State Technological University,undefined
来源：
Glass and Ceramics | 2016年 / 73卷
关键词：
oxyfluoride glasses; ions of rare-earth elements; absorption; luminescence; up-conversion;
D O I：
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中图分类号：
学科分类号：
摘要：
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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页码：9 / 13
页数：4
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