Influence of OH groups on 1.5-?m emission of Yb^(3+)/Er^(3+) co-doped tungsten-tellurite glasses
Chinese Optics Letters, Vol. 1, Issue 12, pp. 702-704 (2003)
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Abstract
The Yb^(3+)/Er^(3+) co-doped TeO_(2)-WO_(3)-ZnO glasses bubbling with different times were prepared. The infrared (IR) transmission spectra, emission spectra and fluorescence lifetime of Er^(3+) at 1.5?m were measured. The quench effects of OH groups on emission intensity of Er^(3+) at 1.5 ?m as well as the relationships between fluorescence decay rate and OH group content were investigated. The constant k_(OH-Er), which represents the strength of the interactions between Er^(3+) ions and OH groups, is approximately 17.0×10^(-20) cm^(4)/s, and is comparable to that for Er^(3+) in Yb^(3+)/Er^(3+) co-doped phosphate glasses.
© 2005 Chinese Optics Letters
OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(160.4670) Materials : Optical materials
(160.5690) Materials : Rare-earth-doped materials
(300.2140) Spectroscopy : Emission
(300.6250) Spectroscopy : Spectroscopy, condensed matter
Citation
Jiacheng Li, Hefang Hu, and Fuxi Gan, "Influence of OH groups on 1.5-?m emission of Yb^(3+)/Er^(3+) co-doped tungsten-tellurite glasses," Chin. Opt. Lett. 1, 702-704 (2003)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-1-12-702
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