Recent advances in high-power 2 µm fiber lasers systems

Clément Romano; Dieter Panitzek; Dominik Lorenz; Patrick Forster; Marc Eichhorn; Christelle Kieleck

doi:10.1117/12.2684310

23 October 2023 Recent advances in high-power 2 µm fiber lasers systems

Clément Romano, Dieter Panitzek, Dominik Lorenz, Patrick Forster, Marc Eichhorn, Christelle Kieleck

Proceedings Volume 12739, High Power Lasers: Technology and Systems, Platforms, Effects VI; 1273903 (2023) https://doi.org/10.1117/12.2684310
Event: SPIE Security + Defence, 2023, Amsterdam, Netherlands

Abstract

We present our latest results in power scaling of thulium-doped fiber lasers in the 2 μm region based on coherent beam combination with tiled aperture technique. The investigation of a high-power laser system based on coherent beam combination was divided into three individual experiments. First a MOPA architecture was studied with focus on power scaling to kW level with a broad linewidth. Second another MOPA setup was developed to match the requirements for coherent beam combination. Lastly, the combination of milli-watt level channels was investigated using a SPGD algorithm. The performance of these systems will be presented.

Citation Download Citation

Clément Romano, Dieter Panitzek, Dominik Lorenz, Patrick Forster, Marc Eichhorn, and Christelle Kieleck "Recent advances in high-power 2 µm fiber lasers systems", Proc. SPIE 12739, High Power Lasers: Technology and Systems, Platforms, Effects VI, 1273903 (23 October 2023); https://doi.org/10.1117/12.2684310

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