[1] [1] I M Thomas. High laser damage threshold porous silica antireflective coating[J]. Applied Optics, 1986, 25(9): 1481-1483.

[2] [2] I M Thomas. Method for the preparation of porous silica antireflection coatings varying in refractive index from 1.22 to 1.44[J]. Applied Optics, 1992, 31(28): 6145-6149.

[3] [3] Li Haiyuan, Tang Yongxing. Study on stability of porous silica antireflective coatings prepared by sol-gel processing[J]. Chinese J Lasers, 2005, 32(6): 839-843.

[4] [4] I M Thomas, A K Burnham, J R Ertel, et al.. Method for reducing the effect of environmental contamination of sol gel optical coatings[C]. SPIE, 1999, 3492: 220-229.

[5] [5] Yang Jing, Zhang Jianmin, Zhang Hao. Preparation and stability of silica sol catalyzed by acid[J]. Journal of Xi′an University of Engineering Science and Technology, 2007, 21(5): 623-627.

[6] [6] Wang Li, Meng Deqin, Tian Liming, et al.. Experimental studies on the stability of large particle size silicon sol[J]. Bulletin of the Chinese Ceramic Society, 2012, 31(3): 731-734.

[7] [7] R Krechetnikov, G M Homsy. Experimental study of substrate roughness and surfactant effects on the Landau-Levich law[J]. Physics of Fluids, 2005, 17(10): 102108.

[8] [8] R Krechetnikov, G M Homsy. Surfactant effects in the Landau-Levich problem[J]. Journal of Fluid Mechanics, 2006, 559: 429-450.

[9] [9] Fu Yongqi, Ren Yantong. Dynamic analysis of dip coating[J]. Optics and Precision Engineering, 1998, 6(5): 100-103.

[10] [10] Yang Zhenyu, Zhu Daqing, Lu Dongsheng, et al.. The relationship between porous ratio and refractive index in nanoporous film[J]. Acta Optica Sinica, 2003, 23(11): 1366-1369.