[1] [1] P. Laporta, S. Taccheo, S. Longhi et al.. Erbium-ytterbium microlasers: optical properties and lasing characteristics [J]. Opt. Mater., 1999, 11(2-3):269～288

[2] [2] Phillip A. Burns, Judith M. Dawes, Peter Dekker et al.. Optimization of Er,Yb:YCOB for CW laser operation [J]. IEEE J. Quantum Electron., 2004, 40(11):1575～1582

[3] [3] B. Denker, B. Galagan, L. Ivleva et al.. Luminescence and laser properties of Yb-Er:GdCa4O(BO3)3: a new crystal for eye-safe 1.5-μm lasers [J]. Appl. Phys. B, 2004, 79(5):577～581

[4] [4] Y. J. Chen, Y. F. Lin, X. H. Gong et al.. 2.0 W diode-pumped Er:Yb:YAl3(BO3)4 laser at 1.5～1.6 μm [J]. Appl. Phys. Lett., 2006, 89(24):241111

[5] [5] Y. J. Chen, Y. F. Lin, X. H. Gong et al.. 1.1 W diode-pumped Er:Yb laser at 1520 nm [J]. Opt. Lett., 2007, 32(18):2759～2761

[6] [6] Shilong Zhao, Shunguang Li, Lili Hu et al.. Er3+/Yb3+ codoped phosphate glass laser end-pumped by laser diode [J]. Chin. Opt. Lett., 2006, 4(4):228～229

[7] [7] Yuxi Liu, Xiaoxia Zhang, Ying Li et al.. Properties of steady-state in Er3+-Yb3+ co-doped phosphate glass for optical waveguide laser [J]. Chin. Opt. Lett., 2007, 5(7):418～421

[10] [10] J. L. Blows, P. Dekker, P. Wang et al.. Thermal lensing measurements and thermal conductivity of Yb:YAB [J]. Appl. Phys. B, 2003, 76(3):289～292

[11] [11] F. Auge, F. Druon, F. Balembois et al.. Theoretical and experimental investigation of a diode-pumped quasi-three-level laser: the Yb3+-doped Ca4GdO(BO3)3 (Yb:GdCOB) laser [J]. IEEE J. Quantum Electron., 2000, 36(5):598～606

[12] [12] S. Taccheo, P. Laporta, C. Svelto, Widely tunable single-frequency erbium-ytterbium phosphate glass laser [J]. Appl. Phys. Lett., 1996, 68(19):2621～2623