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Ytterbium-doped large-core fibre laser with 272 W output power

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6 Author(s)
Y. Jeong ; Optoelectronics Res. Centre, Southampton Univ., UK ; J. K. Sahu ; R. B. Williams ; D. J. Richardson
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A highly efficient cladding-pumped Yb-doped large-core fibre laser, generating up to 272 W of continuous-wave output power at 1.08 μm with a beam quality (M2) of 3.2, is reported. The slope efficiency was 83% with respect to the launched pump power. No saturation (roll-off) was observed in output power with increasing pump power.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 13 )