Title :
Multi-coupler side-pumped Yb-doped double-clad fibre laser and pump light leakage at coupler
Author :
Ou, P. ; Yan, P. ; Gong, M.L. ; Wei, W.L. ; Yuan, Y.Y.
Author_Institution :
Dept. of Precision Instrum., Tsinghua Univ., Beijing, China
fDate :
4/1/2004 12:00:00 AM
Abstract :
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.
Keywords :
fibre lasers; optical fibre cladding; optical fibre couplers; optical pumping; ytterbium; 1.38 W; fibre angle polished method; fibre coupler; multicoupler side pumped Yb doped double clad fibre laser; pump light leakage;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20040283
