[1] [1] BRCKNER R. Properties and structure of vitreous silica. II［J］. Journal of Non-Crystalline Solids, 1971, 5(3): 177-216.

[5] [5] SUN Y C, SONG X F, DU X R, et al. Influence of ionizing gas flow on structural homogeneity of type IV silica glass［J］. Key Engineering Materials, 2017, 726: 409-413.

[6] [6] NIE L J, XIAO P, ZHANG C Y, et al. Influence of carrier gas on the optical homogeneity of synthetic silica glass［C］//Proc SPIE 11427, Second Target Recognition and Artificial Intelligence Summit Forum, 2020, 11427: 929-936.

[7] [7] SANTOS J S, ONO E, LUTKUS A, et al. UV transparent high homogeneity silica glass produced by flame aerosol vad synthesis［J］. Global Roadmap for Ceramics-ICC2 Proceeding, Vero-na, Italy, 2008.

[9] [9] MANTEL K, SCHWIDER J. Interferometric homogeneity test using adaptive frequency comb illumination［M］. Berlin: Springer Berlin Heidelberg, 2014: 393-398.

[11] [11] SCHWIDER J, BUROW R, ELSSNER K, et al. Homogeneity testing by phase sampling interferometry［J］. Applied Optics, 1985, 24(18): 3059-3061.

[12] [12] MOORE L A, SMITH C M. Fused silica as an optical material［J］. Optical Materials Express, 2022, 12(8): 3043-3059.

[14] [14] YAMAGATA S. Effects of OH-group on distribution of refractive index in silica glass［J］. Journal of the Ceramic Society of Japan, 1992, 100(1159): 337-341.

[15] [15] GRISCOM D L. Optical properties and structure of defects in silica glass［J］. Journal of the Ceramic Society of Japan, 1991, 99(1154): 923-942.

[16] [16] AGARWAL A, TOMOZAWA M. Correlation of silica glass properties with the infrared spectra［J］. Journal of Non-Crystalline Solids, 1997, 209(1/2): 166-174.

[18] [18] AGARWAL A, DAVIS K M, TOMOZAWA M. A simple IR spectroscopic method for determining fictive temperature of silica glasses［J］. Journal of Non-Crystalline Solids, 1995, 185(1/2): 191-198.

[19] [19] ALMEIDA R M, GUITON T A, PANTANO C G. Characterization of silica gels by infrared reflection spectroscopy［J］. Journal of Non-Crystalline Solids, 1990, 121(1/2/3): 193-197.

[20] [20] GALEENER F L, LEADBETTER A J, STRINGFELLOW M W. Comparison of the neutron, Raman, and infrared vibrational spectra of vitreous SiO2, GeO2, and BeF2［J］. Physical Review B, 1983, 27(2): 1052.

[21] [21] SEN P N, THORPE M F. Phonons in AX2 glasses: from molecular to band-like modes［J］. Physical Review B, 1977, 15(8): 4030-4038.