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Multi-coupler side-pumped Yb-doped double-clad fibre laser and pump light leakage at coupler

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5 Author(s)
Ou, P. ; Dept. of Precision Instrum., Tsinghua Univ., Beijing, China ; Yan, P. ; Gong, M.L. ; Wei, W.L.
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A multi-coupler side-pumped Yb-doped double-clad fibre laser with output power of 1.38 W and slope efficiency of 48.9% by the fibre angle-polished method is demonstrated. Its pump light leakage at the fibre coupler is also investigated experimentally and theoretically.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 7 )