3 μm-band passively Q-switched fiber laser with a semiconductor saturable absorber mirror
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摘要: 基于半导体可饱和吸收镜,实现了3 m波段被动调Q光纤激光器平均功率瓦级输出。激光器最大平均功率为1.0 W,对应的最大脉冲能量及最大峰值功率分别为6.9 J和21.7 W。激光器斜效率为17.8%,最高重复频率为146.3 kHz,最小脉宽为315.0 ns。Abstract: A diode-cladding-pumped mid-infrared passively Q-switched Er3+-doped ZBLAN fiber laser with an average output power of watt-level based on a semiconductor saturable absorber mirror (SESAM) is demonstrated. Stable pulse train was produced at a slope efficient of 17.8% with respect to the launched pump power. The maximum average power of 1.0 W at a repetition rate of 146.3 kHz was achieved with a corresponding pulse energy of 6.9 J. The maximum peak power was calculated to be 21.7 W.
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Key words:
- 3 μm band /
- passively Q-switched /
- fiber laser /
- ZBLAN fiber /
- semiconductor saturable absorber mirror
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