Ytterbium-doped large-core fibre laser with 272W of output power
- Jeong, Y.
- Sahu, J.K.
- Williams, R.B.
- Richardson, D.J.
- Furusawa, K.
- Nilsson, J.
Publication date
January 2003
DOI Publisher
Institution of Engineering and Technology (IET)Abstract
We report a highly efficient cladding-pumped Yb-doped large-core fibre laser, generating up to 272 W of continuous-wave output power at 1.08µm with a beam quality (M2) of 3.2. 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
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