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Preparation and Properties of Er- and Yb-Activated TeO2–WO3 Glasses |
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| Authors: | I A Grishin V A Gur'ev E B Intyushin Yu E Elliev A P Savikin |
| Affiliation: | (1) Lobachevski State University, pr, Gagarina 23, Nizhni Novgorod, 603950, Russia;(2) Research Physicotechnical Institute, Lobachevski State University, pr. Gagarina 23/3, Nizhni Novgorod, 603950, Russi |
| Abstract: | TeO2–WO3 glasses coactivated with Er3+ and Yb3+ are prepared. The effect of Yb content on the efficiency of Er photoluminescence (PL) in the visible and IR spectral regions is studied. The highest PL efficiency is achieved at an Er : Yb atomic ratio of 1 : 1. The PL lifetime for the Er3+ 4 I 13/2 level is determined to be 7–9 ms. |
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