[1] Eichler H J, Haase A, Kokta M R, et al. Cr4+:YAG as passive Q-switch for a Nd:YALO oscillator with an average repetition rate of 2.7 kHz, TEMoo mode and 13 W output [J]. Appl. Phy. B-Lasers O., 1994, 58:409 -411
[2] Il'ichev N N, Gulyamova E S, Pashinin P P. Passive Q switching of a neodymium laser by a Cr4+:YAG crystal switch [J]. Quantum Electronics, 1997, 27(11): 972- 977
[3] Shimony Y et al. Cr4+:YAG as passive Q-switch and Brewster plate in a pulsed Nd:YAG laser [J]. IEEE J. Quantum Electron, 1995, 31(10): 1738-1741
[4] Bai Yingxin, Wu Nianle, Jian Zhang, et al. Passively Q-switched Nd:YVO4 laser with a Cr4+:YAG crystal saturable absorber [J]. Appl. Opt., 1997, 36(12): 2468-2472
[5] Chen W, Spariosu K, Stultz R, et al. Cr4+:GSGG saturable absorber Q-switch for the ruby laser [J]. Opt. Comm., 1993, 104:71-74
[6] Demchuk M I, et al. Chromium-doped forsterite as a solid-state saturable absorber [J]. Opt. Lett., 1992, 17(13): 929-930
[7] Kuo Y K, Huang M F, Birnbaum M. Tunable Cr4+:YSO Q-switched Cr:LiCAF laser [J]. IEEE J. Quantum Electron, 1995, 31:657-663
[8] Li Shiqun, Zhou Shouhuan, Wang Pei, et al. Self-Q-switched diode-end-pumped Cr, Nd:YAG laser with polarized output [J]. Opt. Lett., 1993, 18(3): 203-204
[9] Zhou Shouhuan, Lee K K, Chen Y C, et al. Monolithic self-Q-switched Cr, Nd:YAG laser [J]. Opt. Lett., 1993, 18(7): 511-512
[10] Chen Y C, Li Shiqun, Lee K K, et al. Self-stabilized single-longitudinal-mode operation in a self-Q-switched Cr, Nd:YAG laser [J]. Opt. Lett., 1993, 18(17): 1418-1419
[11] Dong Jun , Deng Peizhen, Lu Yutian, et al. Laser-diode-pumped Cr4+, Nd3+:YAG with self-Q-swtitched laser output of 1.4 W [J]. Opt. Lett., 2000, 25(15): 1101-1103
[13] Dong J, Deng P Z, Liu Y P, et al. Performance of the self-Q-switched Cr,Yb:YAG laser [J]. Chinese Phy. Lett., 2002, 19(3): 342-344
[14] Hong Z, Zheng H, Chen J, et al. Laser-diode-pumped Cr4+, Nd3+: YAG self-Q-switched laser with high repetition rate and high stability [J]. Appl. Phy. B-Lasers O., 2001, 73 (3): 205-207
