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12 January 2005 Spectroscopic properties of Er3+ doped lead halotellurite-tungsten glasses
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The spectral properties of Er3+-doped tellurite glasses whose compositions are 40TeO2-40WO3-10ZnO-10Na2O and 40TeO2-40WO3-10 PbCl2-10Na2O were measured and analyzed by using Judd-Ofelt and McCumber theories. Compared with traditional tellurite glasses, these glasses have more stable thermal properties and the emission spectra and emission cross sections at the 1.53 m band are larger and broader. Based on the measured absorption spectra, the spontaneous transition probabilities, the fluorescence branching ratios and the radiative lifetimes of these glasses were also calculated.
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Tongzhao Gu, Shaojun Fang, and Maohua Zhu "Spectroscopic properties of Er3+ doped lead halotellurite-tungsten glasses", Proc. SPIE 5632, Light-Emitting Diode Materials and Devices, (12 January 2005);

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