[1] [1] A. Agnesi, G. C. Reali, P. G. Gobbi. 430 mW single-transverse-mode diode-pumped Nd∶YVO4 laser at 671 nm[J]. IEEE J. Quantum Electron., 1998, 34(7):1297～1300

[2] [2] Zhou Rui, Ding Xin, Zhang Wen et al.. High-power continuous-wave diode-end- pumped intracavity frequency doubled Nd∶YVO4 laser at 671 nm with a compact three-element cavity[J]. Chin. Phys. Lett., 2006, 23(4):849～851

[3] [3] Z. Y. Ou, S. F. Pereira, H. J. Kimble et al.. Realization of the Einstein-Podolsky- Rosen paradox for continuous variables[J]. Phys. Rev. Lett., 1992, 68(25):3663～3666

[4] [4] A. S. Villar, M. Martinelli, C. Fabre et al.. Direct production of tripartite pump-signal-idler entanglement in the above-threshold optical parametric oscillator[J]. Phys. Rev. Lett., 2006, 97: 140504

[5] [5] J. R. Gao, H. Wang, M. Q. Huang et al.. Intracavity frequency-doubled and stabilized cw ring Nd∶YAG laser with a pair of KTP crystals[J]. Appl. Opt., 1995, 34(9):1519～1522

[6] [6] Chang Dongxia, Liu Xia, Wang Yu et al.. All-solid-state CW intracavity frequency- doubled and frequency-stabilized Nd∶YVO4/LBO red laser[J]. Chinese J. Lasers, 2008, 35(3):323～327

[7] [7] Li Yimin, Tan Huiming, Fu Xihong et al.. Characteristics of intracavity-frequency-doubled Nd3+∶GdVO4/LBO deep blue 456 nm laser[J]. Chinese J. Lasers, 2008, 35(9): 1308～1312

[8] [8] Zhang Juncheng, Wang Jiaxian, Su Peilin et al.. Theoretical and experimental study of LD pumped Nd∶YVO4 yellow laser with sum-frequency generation[J]. Acta Optica Sinica, 2008, 28(12): 2365～2369

[9] [9] Z. Y. Ou, S. F. Pereira, E. S. Polzik et al.. 85% efficiency for cw frequency doubling from 1.08 to 0.54 μm[J].Opt. Lett., 1992, 17(9):640～642

[10] [10] R. Le Targat, J.-J. Zondy, P. Lemonde. 75%-efficiency blue generation from an intracavity PPKTP frequency doubler[J]. Opt. Commun., 2005, 247: 471～481

[11] [11] Xiaoling Song, Zhigang Li, Pengfei Zhang et al.. Frequency doubling with periodically poled KTiOPO4 at the fundamental wave of cesium D2 transition[J]. Chin. Opt. Lett., 2007, 5(10): 596～598

[12] [12] Feng Yan, Bi Yong, Zhang Hongbo et al.. 20 W diode pumped external frequency-doubled Nd∶YAG green laser[J]. Acta Optica Sinica, 2003, 23(4): 469～471

[13] [13] Yao Jianquan. Non-Linear Optical Frequency and Laser Tuning Technology[M]. Beijing: Science Press, 1995. 41

[14] [14] J. J. Zondy, S. Abed Khodja. Twin-crystal walk-off-compensated type-Ⅱ second-harmonic generation: single-pass and cavity-enhanced experiments in KTiOPO4[J]. J. Opt. Soc. Am. B, 1994, 11(12):2368～2379

[15] [15] W. J. Kozlovsky, C. D. Nabors, R. L. Byer. Efficient second harmonic generation of a diode-laser-pumped cw Nd∶YAG laser using monolithic MgO∶LiNbO3 external resonant cavities[J]. IEEE J. Quantum Electron., 1988, QE-24(6): 913～919

[16] [16] Gao Jiangrui, Zhang Xiaohu, Li Jun et al.. Frequency stabilized and doubled Nd∶YAG CW laser[J]. Chinese J. Lasers, 1991, 18(10):721～725