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首页> 外文会议>Fiber lasers XII: technology, systems, and applications >6.8 kW Peak Power quasi-continuous wave Tandem-pumped Ytterbium amplifier at 1071nm nm
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6.8 kW Peak Power quasi-continuous wave Tandem-pumped Ytterbium amplifier at 1071nm nm

机译：波长为1071nm的6.8 kW峰值功率准连续波串联泵浦Y放大器

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摘要

We demonstrate a quasi-continuous wave laser amplifier with a peak output power of 6.8 kW pumped by an industrial thin-disk laser. A high slope efficiency of 84 % has been obtained within a duty cycle of 10 % at a signal wavelength of 1071 nm. For cw-pumping we measured a maximum output power of 985W. The amplifier fiber had a step index profile with a core diameter of 45 μm and a pump core diameter of 120μm. A signal to ASE peak ratio of 48 dB could be determined.
机译：我们展示了一种准连续波激光放大器，其由工业薄盘激光器泵浦的峰值输出功率为6.8 kW。在1071％的信号波长下，占空比为10％时，可获得84％的高斜率效率。对于连续泵，我们测得的最大输出功率为985W。放大器光纤的阶跃折射率曲线的纤芯直径为45μm，泵浦纤芯直径为120μm。可以确定信号与ASE的峰值比为48 dB。

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  • 会议地点 San Francisco CA(US)
  • 作者

    F. Beier; M.Strecker; J. Nold; N. Haarlammert; T. Schreiber; R. Eberhardt; A. Tuennermann;

  • 作者单位

    Friedrich Schiller University Jena, Institute of Applied Physics, Albert-Einstein-Str. 15, 07745 Jena, Germany,Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;

    Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;

    Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;

    Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;

    Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;

    Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;

    Friedrich Schiller University Jena, Institute of Applied Physics, Albert-Einstein-Str. 15, 07745 Jena, Germany,Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;

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