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7 March 2019 Coherent beam combination of pulses emitted by a 16-core ytterbium-doped fiber
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Abstract
We present a laser amplifier based on coherent combination of 16 channels from a single multicore fiber employing multi-channel components for beam splitting, combination and temporal phasing. Stretched femtosecond pulses (250 fs transform-limit) were combined with an efficiency of 80% at up to 205 W average power.
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Arno Klenke, M. Müller, H. Stark, Fabian Stutzki, Christian Hupel, Thomas Schreiber, Andreas Tünnermann, and Jens Limpert "Coherent beam combination of pulses emitted by a 16-core ytterbium-doped fiber", Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 108971A (7 March 2019); https://doi.org/10.1117/12.2509428
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