Intense Upconversion Luminescence of Yb3+-Er3+in Li2O Content Tungsten-tellurite Glasses
β Scribed by Ghizal F. Ansari; Sachin Kumar Mahajan; J. Parashar
- Publisher
- Springer
- Year
- 2011
- Tongue
- English
- Weight
- 382 KB
- Volume
- 21
- Category
- Article
- ISSN
- 1053-0509
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π SIMILAR VOLUMES
The upconversion properties of Er 3ΓΎ doped lead chloride tellurite glasses under 980 nm excitation are investigated. Three intense emission bands centered at 525, 547, and 657 nm corresponding to the transitions 2 H 11=2 ! 4 I 15=2 , 4 S 3=2 ! 4 I 15=2 , and 4 F 9=2 ! 4 I 15=2 , respectively, simult
The influence of Eu 3+ on the upconversion (UC) fluorescence of Er 3+ in Y 2 O 3 :Er 3+ , Yb 3+ nanocrystals was investigated. Room-temperature UC spectra show that the intensity ratio of red to green lights was increased from 8.6 to 19.3 with 1.0 mol% Eu 3+ doping. Additionally, with the increase o