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250 W single-crystal fiber Yb:YAG laser

Abstract : We demonstrate an Yb:YAG single-crystal fiber laser with 251 W output power in continuous-wave and an optical efficiency of 44%. This performance can be explained by the high overlap between pump and signal beams brought by the pump guiding and by the good thermal management provided by the single-crystal fiber geometry. The oscillator performance with a reflectivity of the output coupler as low as 20% also shows high potential for power amplification.
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Submitted on : Tuesday, August 27, 2013 - 11:24:46 AM
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Xavier Délen, Stefan Piehler, Julien Didierjean, Nicolas Aubry, Andreas Voss, et al.. 250 W single-crystal fiber Yb:YAG laser. Optics Letters, Optical Society of America - OSA Publishing, 2012, 37 (14), pp.2898-2900. ⟨10.1364/OL.37.002898⟩. ⟨hal-00854443⟩



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