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掺铥光纤γ射线辐照效应实验研究

吴闻迪 余婷 陶蒙蒙 李兴冀 叶锡生

吴闻迪, 余婷, 陶蒙蒙, 李兴冀, 叶锡生. 掺铥光纤γ射线辐照效应实验研究[J]. 中国光学, 2018, 11(4): 610-614. doi: 10.3788/CO.20181104.0610
引用本文: 吴闻迪, 余婷, 陶蒙蒙, 李兴冀, 叶锡生. 掺铥光纤γ射线辐照效应实验研究[J]. 中国光学, 2018, 11(4): 610-614. doi: 10.3788/CO.20181104.0610
WU Wen-di, YU Ting, TAO Meng-meng, LI Xing-ji, YE Xi-sheng. Experimental investigation of gamma-ray irradiation effect on Tm-doped fibers[J]. Chinese Optics, 2018, 11(4): 610-614. doi: 10.3788/CO.20181104.0610
Citation: WU Wen-di, YU Ting, TAO Meng-meng, LI Xing-ji, YE Xi-sheng. Experimental investigation of gamma-ray irradiation effect on Tm-doped fibers[J]. Chinese Optics, 2018, 11(4): 610-614. doi: 10.3788/CO.20181104.0610

掺铥光纤γ射线辐照效应实验研究

doi: 10.3788/CO.20181104.0610
基金项目: 

中国科学院"百人计划"项目 1505521XR0

空间环境材料行为及评价技术国家级重点实验室基金项目 6142910030613

详细信息
    作者简介:

    吴闻迪(1984-), 男, 山东菏泽人, 助理研究员。2009年和2012年于曲阜师范大学大学分别获得硕士和博士学位, 现为中国科学院上海光学精密机械研究所助理研究员, 主要从事光纤激光技术及应用方面的研究。E-mail:wuwendi@siom.ac.cn

    叶锡生(1967—), 男, 江苏泰兴人, 研究员。1989年、1997年于浙江大学分别获得学士、博士学位, 现为中国科学院上海光学精密机械研究所研究员, 主要从事激光技术及应用方面的研究。E-mail:xsye@siom.ac.cn

  • 中图分类号: TN213

Experimental investigation of gamma-ray irradiation effect on Tm-doped fibers

Funds: 

the Hundred-Talent Program of the Chinese Academy of Sciences 1505521XR0

the Foundation of the National Key Laboratory of Materials Behavior and Evaluation Technology in Space Environment 6142910030613

More Information
  • 摘要: 面向2 μm掺铥光纤激光器的空间应用,本文针对典型商用掺铥光纤(TDF)开展了γ射线辐照效应实验研究。利用60Co源放射的γ射线,对由5段同批次Nufern公司SM-TDF-10P/130-HE型TDF样品搭建的2 μm光纤激光器进行总剂量为9.0 krad (Si)、剂量率为0.5~3.0 rad/s的辐照效应在线测试。结果表明,TDF的出光性能在辐照过程中出现了显著衰减,衰减幅度随着剂量率的上升而增大。通过对TDF样品在辐照前和辐照后的吸收光谱进行对比测试,观察到在经过总剂量9 krad (Si)的γ射线辐照后,TDF对793 nm泵浦光的吸收峰接近消失。对前述经历γ辐照之后的TDF样品进行2 h的793 nm泵浦光漂白实验测试,未见其出现性能恢复现象。可见,面向空间应用的该典型掺铥光纤需大力提高耐空间辐射性能。
  • 图  1  掺Tm光纤γ射线辐照效应测试实验装置

    Figure  1.  Experiment setup to measure the γ-ray irradiation effect of Tm-doped optical fibers

    图  2  激光器输出功率随γ射线辐照剂量的变化

    Figure  2.  Laser output power versus γ-ray irradiation dose

    图  3  TDF在辐照前(曲线a)和辐照后(曲线b)的吸收光谱

    Figure  3.  Absorption spectra of Tm-doped fibers before(curve a) and after(curve b) irradiation

    图  4  受γ辐照TDF的793 nm泵浦漂白过程

    Figure  4.  793 nm pump bleaching process of Tm-doped fiber irradiated by γ-ray

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出版历程
  • 收稿日期:  2017-12-16
  • 修回日期:  2018-02-05
  • 刊出日期:  2018-08-01

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