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Multicolor upconversion emission from Tm3++Ho3++Yb3+codoped tellurite glass on NIR excitations

✍ Scribed by N.K. Giri; D.K. Rai; S.B. Rai

Publisher
Springer
Year
2008
Tongue
English
Weight
308 KB
Volume
91
Category
Article
ISSN
0721-7269

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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 β†’ 3 H 6 and 1 G 4 β†’ 3 H 4 of T