[1] L. ZENTENO. High-power double-clad fiber lasers[J]. J. Lightwave Technol,1993,11(9):1435-1446.
[2] M. AUERBACH,D. WANDT,C. FALLNICH,et al. High-power tunable narrow line width ytterbium-doped double-clad fiber laser[J]. Opt. Commun,2001,195:437-441.
[4] A. HIDEUR,T. CHAARTIER,C.OZKUL. All-fiber tunable ytterbium-doped double-clad fiber ring laser[J]. Opt. Lett,2001,26(14):1054-1056.
[5] N. FRIEDMAN,A. EYAL,M. TUR. The use of the principal states of polarization to describe tunability in a fiber laser[J]. IEEE J. Quantum Electron,1997,33(5):642-648.
[6] H. TOBBON. Temperaure-tunable 3.5μm fibre laser[J]. Electron. Lett,1993,29(8):667-669.
[7] N. A. BRILLIANT,K. LAGONIK. Thermal effects in a dual-clad ytterbium fiber laser[J]. Opt. Lett,2001,26(21):1669-1671.
[8] N. KAGI,N. OYOBE,K. NAKAMURO. Temperature Dependence of the gain in erbium-doped fibers[J]. J. Lightwave Technol,1991,9(2):261-265.
[9] D. E. MCCUMBER. Einstein relations connecting broadband emission and absorption spectra[J]. Phy. Rev,1964,136(16):A954- A957.
[10] W. J. MINISCALCO,R. S. QUIMBY. General procedure for the analysis of Er3+ cross secions[J]. Opt. Lett,1991,16(4):258-260.
[11] H. M. PASK,R. J. CARMAN,D. C. HANNA. Ytterbium-doped silica fiber lasers: versatile sources for the 1-1.2μm region[J]. IEEE Selected Topics in Quantum Electron,1995,1(1):2-13.
[12] I. KELSON,A. A. HARDY. Strongly pumped fiber lasers[J]. IEEE J. Quantum Electron,1999,34(9):570-577.