Thermal stability and optical transitions of Er3+/Yb3+-codoped barium gallogermanate glass
β Scribed by Kai Xiao; Zhongmin Yang
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 439 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0925-3467
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π SIMILAR VOLUMES
Er 3+ /Yb 3+ -codoped aluminum oxide (Al 2 O 3 ) modified tellurite ceramics have been prepared by hightemperature melting. Judd-Ofelt parameters of Eu 3+ , which was introduced in 15%Na 2 O-15%Al 2 O 3 -70%TeO 2 (NAT) ceramic system as a probe, present a medium asymmetry and covalence environment a
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