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不同Yb掺杂量的Yb:Y3Al5O12晶体的光谱分析

王晓丹 赵志伟 徐晓东 宋平新 姜本学 徐 军 邓佩珍

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不同Yb掺杂量的Yb:Y3Al5O12晶体的光谱分析

王晓丹, 赵志伟, 徐晓东, 宋平新, 姜本学, 徐 军, 邓佩珍

Spectra analysis of Yb: Y3Al5O12 crystals with different Yb doping concentration

Wang Xiao-Dan, Zhao Zhi-Wei, Xu Xiao-Dong, Song Ping-Xin, Jiang Ben-Xue, Xu Jun, Deng Pei-Zhen
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  • 采用提拉法生长了Yb3+掺杂量分别为5.4at%, 16.3at%, 27.1at%, 53.6at%和100at%的Yb:Y3Al5O12晶体.系统地表征和分析了Yb3+掺杂量对晶体吸收光谱和荧光光谱的影响.随着Yb3+掺杂量的增加,各峰值吸收系数呈线性增加的趋势.应用Smakula公式计算了各吸收峰对应的振荡强度,并分析了Yb3+掺杂量对振荡强度的影
    Yb:Y3Al5O12(Yb:YAG) single crystals with Yb3+ doping level of 5.4at%, 16.3at%, 27.1at%, 53.6at%, and 100at% were grown by the Czochralski method. The effects of different Yb3+ doping level on the absorption spectra and fluorescence spectra were studied. The results showed that the real absorption coefficient of the absorption peaks increases linearly with the increasing of Yb3+ doping level in Yb:YAG crystals. Absorption band oscillator strengths of Yb:YAG crystals were calculated with Smakula formula and the effects of different Yb3+ doping level on the oscillator strengths were also studied. The concentration quenching of fluorescence was observed when the Yb3+ doping level reached 27.1at% in Yb:YAG crystals. The shape of fluorescence spectra of Yb:YAG could be significantly influenced when the Yb3+ doping level is higher than 53.6at%.
    • 基金项目: 国家高技术研究发展计划(批准号:2002AA311030)资助的课题.
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  • 文章访问数:  6840
  • PDF下载量:  957
  • 被引次数: 0
出版历程
  • 收稿日期:  2005-06-28
  • 修回日期:  2006-04-03
  • 刊出日期:  2006-04-05

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