[1] Hopkins F K. Nonlinear materials extend the range of high-power lasers. Laser Focus World, 1995, 31(7):87~93
[2] Carr I D, Hanna D C. Performance of a Nd∶YAG oscillator/amplifier with phase-conjugation via Stimulated Brillouin Scattering. Appl. Phys. (B), 1985, 36(2):83~92
[4] Brosnan S J, Byer R L. Optical parametric oscillator threshold and linewidth studies. IEEE J. Quant. Electron., 1979, QE-15(6):415~431
[5] Terry J A C, Cui Y, Yang Y et al.. Low-threshold operation of an all-solid-state KTP optical parametric oscillator. J. Opt. Soc. Am. (B),1994, 11(5):758~769
[6] Marshall L R, Kaz A, Aytur O. Multimode pumping of optical parametric oscillators. IEEE J. Quant. Electron., 1996, QE-32(2):177~182