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22 April 2016 Multi-100W class, fully integrated, monolithic ytterbium-doped photonic-crystal fiber amplifier module
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Abstract
We report a high performance, fully monolithic 40 μm core, Yb-doped photonic crystal fiber amplifier module. The developed fused combiner allows us to couple 6 pumps of 50 W at 976 nm and 5 W of signal at 1064 nm in the PCF amplifier. We then produced up to 210 W of average power at 1064 nm which is the highest power ever delivered by a fully monolithic PCF amplifier. The module is entirely thermally controlled in a rugged package, and has run more than 25 days at > 100W average power with an excellent peak to peak power stability < 1%.
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Johan Boullet, Germain Guiraud, Giorgio Santarelli, Cyril Vincont, Simon Salort, and Christophe Pierre "Multi-100W class, fully integrated, monolithic ytterbium-doped photonic-crystal fiber amplifier module", Proc. SPIE 9730, Components and Packaging for Laser Systems II, 97300Q (22 April 2016); https://doi.org/10.1117/12.2209496
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