[1] [1] Jones-Bey Hassaun. Deep-UV applications await improved nonlinear optics[J]. Laser Focus World, 1998, 34(8): 127-131.

[2] [2] Yan X P, Liu Q, Gong M, et al. Over 8 W high peak power UV laser with a high power Q-switched Nd: YVO4 oscillator and the compact extra-cavity sum-frequency mixing[J]. Laser Physics Letters, 2009, 6(2): 93-97.

[3] [3] Xiang Z, Ge J H, Zhao Z G, et al. 1.9 W flashlamp-pumped solid-state 266 nm ultraviolet laser[J]. Chinese Optics Letters, 2009, 7(6): 502-504.

[4] [4] Jia Fuqiang, Xue Qinghua, Zheng Quan, et al. All solid-state 556 nm yellow laser by LBO intra-cavity frequency doubling[J]. Chinese Journal of Lasers, 2005, 32(8): 1017-1021. (in Chinese)

[5] [5] Zhang C, Zhang X Y, Wang Q P, et al. Diode-pumped Q-switched 946 nm Nd: YAG ceramic laser[J]. Laser Physics Letters, 2009, 7(6): 521-525.

[6] [6] Wang Lirong, Wang Guiling, Zhang Xin, et al. Generation of ultraviolet radiation at 266 nm with RbBe2BO3F2 crystal[J]. Chinese Physics Letters, 2012, 29(6): 064203.

[7] [7] Peng Yu, Fang Zhanjun, Zang Erjun. Narrow-bandwidth diode-laser-based ultraviolet light source[J]. Chinese Physics Letters, 2011, 28(10): 104207.

[8] [8] Sakuma J, Asakawa Y, Obara M. Generation of 5-W deep-UV continuous-wave radiation at 266 nm by an external cavity with a CsLiB6O10 crystal[J]. Opt Lett, 2004, 29(1): 92-94.

[9] [9] Yan Xiaojuan, Li Zhixin, Zhang Yongzhi, et al. The hansch-couillaud frequency locking mechanism of dual-wavelength external cavity resonance system based on diffusion bonded KTP crystal[J]. Acta Phys Sin, 2011, 60(10): 104210. (in Chinese)

[10] [10] Lin Yige, Chen Weiliang, Li Tianchu, et al. First harmonic saturated-absorption frequency stabilization of lasers using sampling integration technique[J]. Chinese J Lasers, 2009, 36(5): 1075-1079. (in Chinese)

[11] [11] Ma Xiangchun, Zou Hongxin, Shen Yong, et al. Study of digitized automatic phase locking based on field programmable gate array[J]. Acta Optica Sin, 2011, 31(7): 0714003. (in Chinese)

[12] [12] Lam T T Y, Slagmolen B J J, Chow J H, et al. Digital laser frequency stabilization using an optical cavity[J]. IEEE J Quant Electron, 2010, 46(8): 1178-1183.

[13] [13] Canuto E, Musso F, Massotti L. Automation and control of Fabry-Perot interferometers[J]. IEEE Trans Ind Electron, 2007, 54(2): 848-857.

[14] [14] Drever R W P, Hall J L, Kowalski F V, et al. Laser interferometer gravitational radiation detectors[J]. Appl Phys B, 1983, 31(5): 336-342.

[15] [15] Hansch T W, Couillaud B. Laser frequency stabilization by polarization spectroscopy of a reflecting reference cavity[J]. Opt Commun, 1980, 35(3): 441-444.

[16] [16] Boon J M, Veer W E, Bente E A J M, et al. Scanning and locking of a single longitudinal mode β-BaB2O4 OPO in a grazing incidence configuration[J]. Opt Commun, 1997, 136(3-4): 261-266.

[17] [17] Chen G Z, Shen Y, Zou H X, et al. Generation of 266 nm continuous-wave with elliptical Gaussian beams[J]. Acta Phys Sin, 2014, 63(5): 054204. (in Chinese)

[18] [18] Schlager J B, Callicoatt E E, Mirin R P, et al. Passively mode-locked waveguide laser with low residual jitter[J]. IEEE Photon Technol Lett, 2002, 14(9): 1351-1353.

[19] [19] GB/T13863～2011, Test methods for laser radiation power and its instability[S]. Beijing: China Standard Press, 2012.