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掺铒高硅氧玻璃光谱性质的研究

达 宁 杨旅云 彭明营 孟宪庚 周秦岭 陈丹平 赤井智子 角野广平

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掺铒高硅氧玻璃光谱性质的研究

达 宁, 杨旅云, 彭明营, 孟宪庚, 周秦岭, 陈丹平, 赤井智子, 角野广平

Specltal properties of Er3+ doped high silica glass

Da Ning, Yang Lü-Yun, Peng Ming-Ying, Meng Xian-Geng, Zhou Qin-Ling, Chen Dan-Ping, Tomoko Akai, Kohei Kadono
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  • 应用Judd-Oflet理论计算了新型掺铒高硅氧玻璃中铒离子的强度参量Ωt(t=2,4,6),Ω2=8.15×10-20,Ω4=1.43×10-20,Ω6=1.22×10-20,相比于其他氧化物玻璃,表现出较大的Ω2,6值,反映了铒离子周围的近邻结构不对称性和Er-O键的离子键成分较高.利用McCumber理论计算得到了能级
    The Judd-Ofelt intensity parameter Ωt of a novel Er3+ doped high silica glass was calculated. The large values of Ω2,6 (Ω2=8.15×10-20,Ω6=1.22×10-20) indicate that the local structure of Er3+ has higher asymmetry and lower covalency than other oxide glasses. McCumber theory was used to calculate the stimulated emission cross section of 4I13/2→4I15/2 transition, the result was 0.51pm2. Despite the Er3+-doped concentration in high silica glass being about ten times greater than that in silica fiber, its fluorescence lifetime and quantum efficiency were 6.0ms and 66.0%, respectively. This novel Er3+-doped glass can be used in optical amplification and microchip laser.
    • 基金项目: 国家自然科学基金(批准号:50125258和60377040)和上海市科委纳米专项(批准号:0352nm042)资助的课题.
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  • 文章访问数:  7519
  • PDF下载量:  1224
  • 被引次数: 0
出版历程
  • 收稿日期:  2005-07-08
  • 修回日期:  2005-11-17
  • 刊出日期:  2006-03-05

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