3.46 μm Q-switched Er3+:ZBLAN fiber laser based on a semiconductor saturable absorber mirror
3.46 μm Q-switched Er3+:ZBLAN fiber laser based on a semiconductor saturable absorber mirror
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3.46 μm Q 开关 Er3 :基于半导体可饱和吸收镜的 ZBLAN 光纤激光器
DOI:
10.1016/j.optlastec.2021.107131
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发表时间:
2021-09
影响因子:
5
通讯作者:
Dianyuan Fan
中科院分区:
文献类型:
--
作者:
Zhiqiang Fang;Chunxiang Zhang;Jun Liu;Yu Chen;Dianyuan Fan
By adopting a InAs based semiconductor saturable absorber mirror (SESAM), we have demonstrated a 3.46 μm passively Q-switched Er3+:ZBLAN fiber laser. An amplified spontaneous emission (ASE) seeded 1973 nm pump source is introduced to enhance the temporal stability. Stable 3.46 μm Q-switched pulse trains are obtained with a maximum repetition rate of 58.71 kHz and corresponding pulse width of 2.47 μs. The maximum average output power and single pulse energy are 63 mW and 1.4 μJ, respectively. The pulse characteristics with respect to the two pump powers are also evaluated. The results prove that the commercial SESAMs in stock have the capacity to extend the operation wavelength to the mid-infrared (mid-IR) wavelength region beyond 3.0 μm.
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