Influence of cationic field strength of modifiers on the 1.53 μm spectroscopic properties of Er3+-doped tellurite glasses
作者： Chunlei Yu , Dongbing He , Guonian Wang , Junjie Zhang , Lili Hu
DOI: 10.1016/J.JNONCRYSOL.2009.07.025
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摘要: Abstract Two series of Er3+-doped tellurite glasses with different glass modifiers were prepared by the conventional melt-quenching method. In order to estimate effect cationic field strength z/a2 on fluorescence properties, spectra measured. The parameters Ωt (t = 2, 4, 6) for all samples calculated based absorption and also compared between them. values Ω6 decrease decreasing modifiers. As decrease, polarization ligand fields around Er3+ increase in glasses, which leads peak intensity bandwidth. interactions ions OH− groups, kOH–Er, depend composition, are changed
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