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首页> 外文期刊>Optics Letters >Pump wavelength dependence and thermal effect of photobleaching of BAC-Al in bismuth/erbium codoped aluminosilicate fibers
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Pump wavelength dependence and thermal effect of photobleaching of BAC-Al in bismuth/erbium codoped aluminosilicate fibers

机译:Bac-Al在铋/铒编排铝硅酸盐纤维中光博的波长依赖性和热效应

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摘要

Photobleaching of IR luminescence of BALM at 1180 nm under various irradiation wavelengths (532, 633, 710, 830, and 980 nm) is observed for the first time, to the best of our knowledge. It is found that the bleaching rate increases along with the increasing photon energy. The photobleaching of BAC-Al at 532 nm irradiation is described as a two-photon process, evidenced by the quadratic dependence of the bleaching rate on the launched power. The photoinduced reduction on absorption bands of BAC-Al (700 nm) and BAC-Si (816 nm) is observed, revealing the higher stability for BAC-M to laser irradiation. The thermal annealing effect on the bleached BAC-Al is also investigated; strong luminescence quenching of BAC-Al at the high temperature (500 degrees C) is shown instead of the recovery. The underlying mechanism for photobleaching and thermal quenching of BAC-Al is analyzed and discussed. (C) 2018 Optical Society of America
机译:在我们的知识中首次观察到在各种照射波长下,在各种照射波长(532,633,710,830和980nm)下,在1180nm下,在1180nm下的光漂白。 发现漂白率随着光子能量的增加而增加。 Bac-Al在532nm辐射下的光漂白被描述为双光子过程,通过漂白率对发射功率的二次依赖性证明。 观察到Bac-Al(700nm)和Bac-Si(816nm)的吸收带的光引起的减少,揭示了Bac-m的稳定性较高。 还研究了漂白Bac-Al上的热退火效果; 将显示在高温(500℃)的Bac-Al的强发光淬火而不是回收。 分析并讨论了Bac-Al的光漂白和热猝灭的潜在机制。 (c)2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第19期|共4页
  • 作者单位

    Univ New South Wales Sch Elect Engn Photon &

    Opt Commun Grp Sydney NSW 2052 Australia;

    Univ New South Wales Sch Elect Engn Photon &

    Opt Commun Grp Sydney NSW 2052 Australia;

    Univ New South Wales Sch Elect Engn Photon &

    Opt Commun Grp Sydney NSW 2052 Australia;

    Univ New South Wales Sch Elect Engn Photon &

    Opt Commun Grp Sydney NSW 2052 Australia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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