[1] [1] S. E. Harris. Tunable optical parametric oscillators. Proc. IEEE, 1969,57(12):2096～2113

[2] [2] S. J. Brosnan, R. L. Ryer. Optical parametric oscillator threshold and linewidth studies. IEEE J. Quantum Electron., 1979,QE-15(6):415～431

[3] [3] W. R. Bosenberg, W. S. Pelouch, C. L. Tang. High-efficiency and narrow-linewidth operation of a two-crystal β-BaB2O4 optical parametric oscillator. Appl. Phys. Lett., 1989,55(19):1952～1954

[4] [4] T. K. Minton, S. A. Reid, H. L. Kim et al.. A scanning, single mode, LiNbO3, optical parametric oscillator. Opt. Comm., 1989,69(3,4):289～293

[5] [5] W. R. Bosenberg, D. R. Guyer. Single-frequency optical parametric oscillator. Appl. Phys. Lett., 1992,61(4):387～389

[6] [6] D. C. Hovde, J. H. Timmermans, G. Scoles et al.. High Power injection seeded optical parametric oscillator. Opt. Comm.,1991,86(3,4):294～300

[7] [7] M. J. T. Milton, T. D. Gardiner, G. Chourdakis et al.. Injection seeding of an infrared optical parametric oscillator with a tunable diode laser. Opt. Lett., 1994,19(4):281～283

[8] [8] B. C. Johnson, V. J. Newell, J. B. Clark et al.. Narrow-bandwidth low-divergence optical parametric oscillator for nonlinear frequency-conversion applications. J. Opt. Soc. Am. B, 1995,12(11):2122～2127

[9] [9] J. L. Lachambre, P. Lavigne, G. Otis et al.. Injection locking and mode selection in TEA-CO2 laser oscillators. IEEE J. Quantum Electron., 1976,QE-12(12):756～764

[10] [10] Y. K. Park, G. Giuliani, R. L. Byer. Single axial mode operation of a Q-switched Nd∶YAG oscillator by injection seeding. IEEE J. Quantum Electron., 1984,QE-20(2):117～125

[11] [11] A. Yariv. Quantum Electronics. Shanghai: Shanghai Press of Science and Technology, 1983. 451 (in Chinese)

[12] [12] T. D. Raymond, W. J. Alford, A. V. Smith. Frequency shifts in injection-seeded optical parametric oscillators with phase mismatch. Opt. Lett., 1994,19(19):1520～1522