Presentation
11 March 2020 Suppressing fiber tip failure: On the road to 100 W-level 3-μm fiber lasers (Conference Presentation)
Frédéric Maes, Yigit Ozan Aydin, Thomas Poulin, Souleymane Toubou Bah, Vincent Fortin, Réal Vallée, Martin Bernier
Author Affiliations +
Abstract
We report on the use of OH diffusion barrier coatings to suppress fiber tip degradation in high-power 3 μm fiber lasers. To this extent, silicon nitride thin-films are sputtered on the endface of a 20 W erbium-doped fluoride fiber laser at 2.83 μm. By monitoring the temperature evolution of the output fiber tip over a 24 hour time period, we validate the effectiveness of silicon nitride thin films in mitigating fiber tip degradation. These results, along with previous demonstrations, underline the potential of 3 μm fiber lasers to reach 100 W of output power in the near future.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Frédéric Maes, Yigit Ozan Aydin, Thomas Poulin, Souleymane Toubou Bah, Vincent Fortin, Réal Vallée, and Martin Bernier "Suppressing fiber tip failure: On the road to 100 W-level 3-μm fiber lasers (Conference Presentation)", Proc. SPIE 11260, Fiber Lasers XVII: Technology and Systems, 112601O (11 March 2020); https://doi.org/10.1117/12.2544504
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KEYWORDS
Fiber lasers

Roads

Diffusion

Semiconductor lasers

Silicon

Silicon films

Thin film coatings

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