[1] [1] H. W. Etzel, H. W. Gandy, R. S. Ginther. Stimulated emission of infrared radiation from ytterbium-activated silicate glass [J]. Appl. Opt., 1962, 1(4):534～536

[2] [2] A. D. Pearson, S. P. S. Porto. Nonradiative energy exchange and laser oscillation in Yb3+-Nd3+-doped borate glass [J]. Appl. Phys. Lett., 1964, 4(12):202～204

[3] [3] Xuelu Zou, H. Toratani. Evaluation of spectroscopic properties of Yb3+-doped glasses [J]. Phys. Rev. B, 1995, 52(22):15889～15897

[4] [4] V. Petrov, U. Griebner, D. Ehrt et al.. Femtosecond self mode locking of Yb:fluoride phosphate glass laser [J]. Opt. Lett., 1997, 22(6):408～410

[5] [5] J. Y. Allain, M. Monerie, H. Poignant. Ytterbium-doped fluoride fibre laser operating at 1.02 μm [J]. Electron. Lett., 1992, 28(11):988～989

[6] [6] J. Y. Allain, J. F. Bayon, M. Monerie et al.. Ytterbium-doped silica fibre laser with intracore Bragg gratings operating at 1.02 μm [J]. Electron. Lett., 1993, 29(3):309～310

[7] [7] S. A. Payne, L. L. Chase, L. K. Smith et al.. Infrared cross-section measurements for crystals doped with Er3+, Tm3+ and Ho3+ [J]. IEEE J. Quantum Electron., 1992, 28(11):2619～2627

[8] [8] W. F. Krupe. Induced-emission cross sections in neodium laser glasses [J]. IEEE J. Quantum Electron., 1974, QE-10(4):450～461

[10] [10] B. Schaudel, P. Goldner, M. Prassas et al.. Cooperative luminescence as a probe of clustering in Yb3+ doped glasses [J]. J. Alloys and Compounds, 2000, 300～301:443～449