Effect of PbS on Properties of the Er3+-doped TeO2-based Glasses

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2004,（11）
• 页码范围: 2275-2277
• 页数: 3页
• 语种: 英文

摘要

Novel Er3+ doped TeO2-based glasses containing PbS have been prepared in argon atmosphere in carbon crucibles.The thermal analysis and spectroscopic properties of those glasses have been considered in terms of sulfide influence. Judd-Ofelt theory is introduced to calculate the bandwidth and the emission cross-section. The results demonstrate that addition of PbS into tellurite glasses results in increasing bandwidth from 71.8 to 78.4 nm, for improving emission cross-section from 6.6 to 8.1 × 10-21 cm2 and slightly decreasing emission lifetime from 3.4to 3.1 ms compared to pure oxide glass.