Title :
Ytterbium-doped large-core fibre laser with 610 W of near diffraction-limited output power
Author :
Jeong, Y. ; Sahu, J.K. ; Payne, J.N. ; Nilsson, J.
Author_Institution :
Optoelectronics Res. Centre, Univ. of Southampton, UK
Abstract :
A cladding-pumped ytterbium-doped fibre laser, generating up to 610 W of continuous-wave output power at 1.1 μm with slope efficiency of 80% and near diffraction-limited beam quality (M2=1.3) is reported. No undesirable roll-over was observed in output power with increasing pump power.
Keywords :
fibre lasers; optical fibre cladding; optical pumping; ytterbium; 610 W; cladding pumped ytterbium doped fibre laser; diffraction limited output power; large core fibre laser;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20047089
