Influence of OH groups on 1.5-um emission of Yb_(3+)/Er_(3+) co-doped tungsten-tellurite glasses 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Influence of OH groups on 1.5-um emission of Yb_(3+)/Er_(3+) co-doped tungsten-tellurite glasses

作者姓名：	李家成胡和方干福熹

作者单位：	Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800

摘要：	The Yb3+/Er3+ co-doped TeO2-WO3-ZnO glasses bubbling with different times were prepared. The infrared (IR) transmission spectra, emission spectra and fluorescence lifetime of Er3+ at 1.5 um were measured. The quench effects of OH groups on emission intensity of Er3+ at 1.5 um as well as the relationships between fluorescence decay rate and OH group content were investigated. The constant kOH-Er which represents the strength of the interactions between Er3+ ions and OH groups, is approximately 17.0×10-20 cm4/s, and is comparable to that for Er3+ in Yb3+/Er3+ co-doped phosphate glasses.
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