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首页> 外文会议>Conference on Integrated Optics Devices Ⅴ Jan 23-25, 2001, San Jose, USA >The influence of sodium ions on rare-earth solubility in silica-on-silicon SiO_2-P_2O_5 glass hosts fabricated by flame hydrolysis deposition
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The influence of sodium ions on rare-earth solubility in silica-on-silicon SiO_2-P_2O_5 glass hosts fabricated by flame hydrolysis deposition

机译：钠离子对通过火焰水解沉积法制备的SiO2 / SiO_2-P_2O_5玻璃基质中稀土溶解度的影响

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摘要

The influence of sodium ions on rare-earth clustering formation was analyzed in xSiO_2 - (l-x)P_2O_5 - zNa_2O glass matrices observing variations in the erbium lifetime laser transition at 1535 nm. The Er~(3+)=1.0M glasses have shown an optimal performance for sodium close to 0.5M. Using the fluorescence characteristics an enhancement of ~25% in the lifetime was observed. It was noticed that the Na~+ ions have not contributed only to the clustering formation but also to the rare-earth concentration, due to the augment in the non-bridging oxygen in the glass. The Judd-Ofelt analysis was applied to the glass system and softening due to the inclusion of sodium into the matrix was observed. All these results are in agreement with the molecular dynamics analysis reported for similar glass [Phys. Rev. B 48, 16290 (1993)].
机译：在xSiO_2-（l-x）P_2O_5-zNa_2O玻璃基体中分析了钠离子对稀土团簇形成的影响，观察了lifetime寿命激光跃迁在1535 nm处的变化。 Er〜（3 +）= 1.0M玻璃对钠接近0.5M表现出最佳性能。使用荧光特性，观察到寿命增加约25％。注意到由于玻璃中非桥连氧的增加，Na +离子不仅有助于聚集形成，而且还有助于稀土浓度。将Judd-Ofelt分析应用于玻璃系统，并观察到由于钠混入基体而软化。所有这些结果与类似玻璃[Phys。 Rev.B 48，16290（1993）]。

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