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Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser

机译:紧凑型二极管泵浦无源调Q可调Er-Yb双包层光纤激光器

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摘要

Efficient repetitive passive Q switching of a cladding-pumped Er-Yb fiber laser has been demonstrated by use of an external-cavity configuration containing a Co2+:ZnS crystal as a saturable absorber, Energies of as much as 60 muJ in pulses of durations as short as 3.5 ns (FWHM), corresponding to a peak power of .10 kW, have been generated, and the maximum slope efficiency with respect to the absorbed pump power was 13%. Using a bulk diffraction grating in the Littrow configuration to provide wavelength-selective Feedback, we tuned the passively Q-switched fiber laser over 31 nm from 1532 to 1563 nm. The prospects For further improvement in performance are discussed. (C) 2002 Optical Society of America. [References: 19]
机译:包层泵浦Er-Yb光纤激光器的有效重复无源Q转换已通过使用包含Co2 +:ZnS晶体作为可饱和吸收体的外腔配置进行了演示,在短时间内的脉冲中能量高达60μJ由于产生了3.5 ns(FWHM)的峰值功率,对应于0.10 kW的峰值功率,相对于吸收的泵浦功率的最大斜率效率为13%。使用Littrow配置中的体衍射光栅提供波长选择性反馈,我们在1532至1563 nm的31 nm范围内调谐了被动调Q光纤激光器。讨论了性能进一步提高的前景。 (C)2002年美国眼镜学会。 [参考:19]

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