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首页> 外文期刊>Optics Letters >High-energy femtosecond Yb-doped fiber laser operating in the anomalous dispersion regime
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High-energy femtosecond Yb-doped fiber laser operating in the anomalous dispersion regime

机译:在反常色散状态下工作的高能飞秒掺Yb光纤激光器

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摘要

We report on high-energy ultrashort pulse generation from a passively mode-locked ytterbium-doped largemode-areaphotonic crystal fiber oscillator operating in the anomalous dispersion regime. In the single-pulse regime, the laser directly generates 880 mW of average power of sub-500 fs pulses at a repetition rate of 53.33 MHz, corresponding to a pulse energy of 16.5 nJ. Stable and self-starting operation is obtained by adapting the spot size at the saturable absorber mirror to the pulse evolution in the low-nonlinearity fiber. The approach presented demonstrates the scaling potential of fiber based short pulse oscillators towards the (mu)J-level.
机译:我们报告了在反常色散状态下工作的被动锁模掺-大模场光子晶体光纤振荡器产生的高能超短脉冲。在单脉冲状态下,激光器以53.33 MHz的重复频率直接产生880 mW的500次以下fs脉冲的平均功率,对应于16.5 nJ的脉冲能量。通过使可饱和吸收镜上的光斑尺寸适应低非线性光纤中的脉冲发展,可以获得稳定且自启动的操作。提出的方法证明了基于光纤的短脉冲振荡器朝着μJ级的缩放潜力。

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