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Optical transition and upconversion luminescence in Er3+ doped and Er3+–Yb3+ co-doped fluorophosphate glasses

✍ Scribed by Boyuan Lai; Li Feng; Jing Wang; Qiang Su

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
798 KB
Volume
32
Category
Article
ISSN
0925-3467

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Spectroscopic properties of Er 3+ -doped TeO 2 -WO 3 -Bi 2 O 3 (TWB) glass has been investigated. The transition probabilities, excited state lifetimes, and the branching ratios have been predicted for Er 3+ based on the Judd-Ofelt theory. The lifetime of 4 I 11/2 and 4 I 13/2 level were measured fr