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首页> 外文期刊>Optics Letters >Centimeter-scale Yb-free heavily Er-doped silica fiber laser
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Centimeter-scale Yb-free heavily Er-doped silica fiber laser

机译：厘米级无YB重掺杂二氧化硅纤维激光器

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摘要

The laser behavior of a centimeter-scale Er3+/Al3+ codoped silica fiber with core numerical aperture and core diameter of 0.15 and 8 mu m, respectively, is reported. The core glass was prepared by the sol-gel method combined with high-temperature sintering it contained Er3+ ion concentration as high as 1.32 x 10(20) ions/cm(3) and an Al/Er mole ratio of 10. The high doping homogeneity of Er3+ ions in the fiber core was confirmed by an electron probe microanalyzer element scanning, long Er3+: I-4(13/2) emission lifetime of 11.4 ms, and low refractive index fluctuation of fiber core (+/- 1 x 10(-4)). The signal gain of fibers with 4.6 cm, 10 cm, and 16 cm lengths was tested in the 1500-1620 nm range. A gain of 7 dB is achieved at 1560 nm in a 16-cm-long EDF under 230 mW pump power. Aimed for CO2 sensor application, the laser behavior of Er/Al codoped fiber was tested at 1572 nm. A slope efficiency of 12% and an output power of 15 mW were achieved in a 10-cm-long fiber under 166 mW absorbed pump power. The newly developed silica fiber is promising for use in high-repetition- rate lasers. (C) 2018 Optical Society of America
机译：报道了厘米级ER3 + / Al3 +编排的二氧化硅纤维的激光特性分别具有核心数值孔径和芯直径为0.15和8μm。通过溶胶 - 凝胶法制备高温烧结，含有ER3 +离子浓度，高达1.32×10（20）离子/ cm（3）和10的Al / ER摩尔比。高掺杂通过电子探针微量分析仪元件扫描，长ER3 +：I-4（13/2）发射寿命为11.4ms，纤维核心的均匀性，纤维芯的均匀性，纤维芯的低折射率波动（+/- 1 x 10 （-4））。在1500-1620nm范围内测试了4.6cm，10cm，16cm长度的纤维的信号增益。在230MW泵功率下，在16厘米长的EDF中，在1560nm下实现7 dB的增益。旨在用于CO2传感器应用，在1572nm中测试ER / Al编码纤维的激光行为。在10厘米长的纤维下，在166 MW吸收的泵电线下实现了12％的斜率和15mW的输出功率。新开发的二氧化硅纤维有希望用于高重复率激光器。 （c）2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第10期|共4页
  • 作者

    Wang Fan; Lin Zhiquan; Shao Chongyun; Zhou Qinling; Zhang Lei; Wang Meng; Chen Danping; Gao Guojun; Wang Shikai; Yu Chunlei; Hu Lili;

  • 作者单位

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    KIT Inst Microstruct Technol D-76344 Eggenstein Leopoldshafen Germany;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

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