Direct Resonant Diode Pumping of Tm-fiber Laser

Jan Šulc,Michal Němec,Jan Kratochvíl,Helena Jelínková

High-Brightness Sources and Light-Driven Interactions Congress（2024）

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摘要

CW laser diode emitting at 1.7 μm was used to pump thulium-doped fiber laser with free-space coupling and mirror. For absorbed power 11.5 W output power 5.2 W was reached at wavelength 1950 nm with slope efficiency 70 %.

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