article·2006-03-20

Spectral Properties and Thermal Stability of Erbium-doped TeO2-WO3-La2O3 Glass

朱琳, 徐铁峰, 聂秋华 NIE Qiu-hua, 沈祥 SHEN Xiang

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Abstract

制备了掺铒的玻璃样品TeO2-WO3-La2O3.测试了样品的吸收光谱、荧光光谱以及玻璃的热稳定性.应用Juddo-Ofelt理论计算了玻璃的三个强度参数Ωt(t=2、4、6),电偶极跃迁谱线强度以及磁偶极跃迁谱线强度,分析了强度参数Ω2和玻璃成分变化的关系.应用McCumber理论计算了Er^3+在1.5μm处的受激发射截面.TeO2-WO3-La2O3玻璃在La2O3的含量〉5mol%时,未发现析晶开始温度(Tx),说明这种玻璃材料适合于光纤的拉制.研究结果表明TeO2-WO3-La2O3是制备宽带光纤放大器的理想基质材料.
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OpenAlex topics: Glass properties and applications · Phase-change materials and chalcogenides · Solid State Laser Technologies

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