High pulse energy actively Q-switched dual-wavelength pumped Er:ZBLAN fiber laser at 3.5 µm
Optics & Laser Technology(2023)
Abstract
•The actively Q-switched 3.5 µm fiber laser has been demonstrated in this work.•The mechanical switch has been used to achieve high pulse energy in deep mid-infrared region.•The factors affecting further improvement of pulse energy has been discussed.•The numerical model has been built to optimize the MS modulation design.
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Key words
erzblan fiber laser,high pulse energy,q-switched,dual-wavelength
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