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Upconversion emissions in Yb3+–Tm3+-doped tellurite glasses excited at 976

✍ Scribed by Guonian Wang; Shixun Dai; Junjie Zhang; Jianhu Yang; Zhonghong Jiang

Publisher
Springer
Year
2007
Tongue
English
Weight
190 KB
Volume
42
Category
Article
ISSN
0022-2461

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✍ Shiqing Xu; Dawei Fang; Zaixuan Zhang; Liyan Zhang; Shilong Zhao; Zhonghong Jian 📂 Article 📅 2005 🏛 Elsevier Science 🌐 English ⚖ 144 KB

The upconversion luminescence properties of Yb 3+ /Tm 3+ -codoped oxyfluoride tellurite glasses under 980 nm excitation are investigated experimentally. The intense blue and relatively weak red emissions centered at 475 and 649 nm corresponding to the transitions 1 G 4 → 3 H 6 and 1 G 4 → 3 H 4 of T