| Fluorescence Lifetime Increasing with F- Ions into Ytterbium-Doped Germanium-Lead-Tellurite Glasses |
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| 作者姓名： | 汪国年 戴世勋 张军杰 徐时清 胡丽丽 姜中宏 |
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| 作者单位： | [1]DepartmentofLaserglass,ShanghaiInstituteofOptics＆FineMechanics,ChineseAcademyofSciences,Shanghai201800／／GraduateSchooloftheChineseAcademyofSciences,Beijing100039 [2]DepartmentofLaserglass,ShanghaiInstituteofOptics＆FineMechanics,ChineseAcademyofSciences,Shanghai201800 |
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| 摘 要： | The effects of F^- ions in a germanium-lead-tellurite glass system on the spectral and potential laser properties of the Yb^3 are investigated. The absorption spectra, lifetimes, the emission cross-sections and the minimum pump intensities of the glass system with and without F^- ions have been measured and calculated. The results show that the fluorescence lifetime and the minimum pump intensity of Yb^3 ions increase evidently, which indicatesthat germanium-lead-oxyfluoride tellurite glass is a promising laser host matrix for high power generation. FT-IRspectra were used to analyse the effect of F^- ions on OH^- groups in this glass system. Analysis demonstrates that addition of fluoride removes the OH^- groups and results in improvement of fluorescence lifetime of Yb^3 .
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| 关 键 词： | 荧光寿命 氟离子 锗-铅亚碲酸盐玻璃 掺杂方法 镱离子 激光操作 |
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