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Spectral properties and thermal stability of Er3+/Yb3+ codoped tungsten–tellurite glasses

✍ Scribed by TieFeng Xu; Xiang Shen; QiuHua Nie; Yuan Gao

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
159 KB
Volume
28
Category
Article
ISSN
0925-3467

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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