Sodium magnesium silicate oxyfluoride glass with low Rayleigh scattering

被引：7
|
作者：
Sakaguchi, S
Todoroki, SI
机构：
[1] NTT Opto-Electronics Laboratories, Tokai-mura, Naka-gun, Ibaraki 319-11, 162, Shirakata-shirane
来源：
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 1996年 / 104卷 / 09期
关键词：
sodium magnesium silicate glass; oxyfluoride glass; Rayleigh scattering; refractive index dispersion; glass transition temperature; silica glass;
D O I：
10.2109/jcersj.104.808
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Oxyfluoride glass in the system Na-Mg-Si-O-F, which exhibits lower Rayleigh scattering than silica glass, has been developed. The glass forming region is extended for an F content of up to 30% of the anions. Scattering measurements for (1-x) (Na2O . 2SiO(2))-xMgF(2) glasses revealed that the scattering intensity decreases to 70% of the intensity of silica glass for a MgF2 content of 5 mol%. The factors affecting scattering were evaluated based on glass properties such as refractive index dispersion parameters and glass transition temperature. The results suggest that the scattering in this glass is dominated by the density fluctuation.
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页码：808 / 811
页数：4
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