[9p-PB4-1~11] 16.1 Fundamental properties, evaluation, process and devices in disordered materials

[9p-PB4-3] Origin of the fluctuation of the absorption intensity of fused quartz

〇Kento Nanbo¹, Akihiro Haruki¹, Hiroki Tanaka¹, Nobu Kuzuu¹, Hideharu Horikoshi² (1.Univ. of Fukui, 2.Tosoh SGM)

Keywords:silica glass

In past studies, irregular fluctuations of the optical absorption intensities in ultraviolet region were observed in fused quartz produced by melting of natural quartz powder. We assumed that the origin of the fluctuation of the optical absorption intensity caused by the striae, a singular refractive index curved planer. Then, we measured absorption coefficient in ultraviolet region and OH concentration were simultaneously measured with changing the measuring points in the specimen.