Journal
JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 298, Issue 1, Pages 76-88Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-3093(01)01036-5
Keywords
-
Ask authors/readers for more resources
Compositional dependence of spontaneous emission of Er(3+)was studied in borate tellurite glasses. The improvement of the luminescence at 1533 nm while pumping at 980 nm by introducing sodium tetraborate in a tellurite glass host is discussed in Er3- doped and Yb3-/Er3+ co-doped glasses. From the absorption, emission spectra and lifetime measurements, an optimized sodium tetraborate molar concentration between 1.25% and 2.5% was shown to induce a maximum intensity of the 1533 nm spontaneous emission in correlation with a more efficient non-radiative transfer from the pump level to the emitting level of Er3+. The introduction of Na2B4O7 shortens the radiative lifetime of the erbium pump level (I-4(11 2)) as well as decreases the visible luminescence resulting from up conversion effect. (C) 2002 Elsevier Science B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available