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High-power erbium cascade fibre laser

High-power erbium cascade fibre laser

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A 4.6 W erbium-doped fluoride fibre laser that operates simultaneously at 2.83 and 1.61 µm is demonstrated. By allowing the 1.5 µm transition to reach threshold, bottlenecking is prevented by radiative decay; a process that will allow further power scaling of the transitions.


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      • X.S. Zhu , R. Jain . 10-W-level diode-pumped compact 2.78 µm ZBLAN fiber laser. Opt. Lett. , 26 - 28

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