[1] [1] H. Zellmer, U. Willamowski, A. Tünnermann et al.. High-power cw neodymium-doped fiber laser operating at 9.2 W with high beam quality [J]. Opt. Lett., 1995, 20(6):578～580

[2] [2] R. A. Hayward, W. A. Clarkson, P. W. Turner et al.. Efficient cladding-pumped Tm-doped silica fibre laser with high power singlemode output at 2 μm [J]. Electron. Lett., 2000, 36(8):711～712

[3] [3] M. Auerbach, D. Wandt, C. Fallnich et al.. High power tunable narrow line width ytterbium-doped double-clad fiber laser [J]. Opt. Comm., 2001, 195(5～6):437～441

[4] [4] H. M. Pask, J. L. Archambault, D. C. Hanna et al.. Operation of cladding-pumped Yb3+-doped silica fibre lasers in 1 μm region [J]. Electron. Lett., 1994, 30(11):863～865

[5] [5] V. Dominic, S. MacCormack, R. Waarts et al.. 110 W fibre laser [J]. Electron. Lett., 1999, 35(14):1158～1160

[6] [6] Ammar Hideur, Thierry Chartier, Cafer Ozkul et al.. Dynamics and stabilization of high power side-pumped Yb-doped double-clad fiber laser [J]. Opt. Comm., 2000, 186(4～6):311～317

[7] [7] A. Jonstone, W. Lu, J. S. Uppal et al.. Sustained and bursting oscillations in stimulated Brillouin scattering with external feedback in optical fiber [J]. Opt. Comm., 1991, 81(3～4):222～224