23 December 2004 High-power fiber lasers and amplifiers
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Abstract
Experimental results based on rare-earth-doped fibers have impressively shown that fiber lasers and amplifiers are an attractive and power scalable solid-state laser concept. Based on ytterbium-doped large-mode-area double-clad fibers, in the continuous regime, output powers approaching the kW-range with diffraction limited beam quality have been shown. Average output powers in the order of 100 W have been demonstrated in the pulsed regime even for femtosecond fiber lasers. Further power scaling is limited by the end facets damage, thermo-optical problems or nonlinear effects. To overcome these restrictions microstructured fibers with several new preferable features can be used. In our contribution we will discuss power scaling of fiber lasers and amplifiers in the multi kW-range with excellent beam quality based on rare-earth-doped photonic crystal fibers.
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Andreas Tuennermann, Andreas Tuennermann, Sven Hoefer, Sven Hoefer, Andreas Liem, Andreas Liem, Jens Limpert, Jens Limpert, Matthias Reich, Matthias Reich, Fabian Roeser, Fabian Roeser, Thomas Schreiber, Thomas Schreiber, Holger Zellmer, Holger Zellmer, } "High-power fiber lasers and amplifiers", Proc. SPIE 5620, Solid State Laser Technologies and Femtosecond Phenomena, (23 December 2004); doi: 10.1117/12.580850; https://doi.org/10.1117/12.580850
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