The Effects of Deoxidants on Ge-Se-Te Chalcogenide Glasses

被引：1

作者：

Wang, Xunsi ^{[1
]}

Sun, Jie ^{[1
]}

Nie, Qiuhua ^{[1
]}

Dai, Shixun ^{[1
]}

Zhang, Xianghua ^{[2
]}

Bureau, Bruno ^{[2
]}

Boussard, Catherine ^{[2
]}

Conseil, Clement ^{[2
]}

机构：

[1] Ningbo Univ, Coll Informat Sci & Engn, Ningbo 31521, Zhejiang, Peoples R China

[2] Univ Rennes 1, CNRS, Lab Glasses & Ceram, UMR 6226, F-135042 Rennes, France

来源：

ADVANCES IN PRECISION INSTRUMENTATION AND MEASUREMENT | 2012年 / 103卷

关键词：

Impurity; Te; Chalcogenide; Spectroscopy; ABSORPTION; FIBERS; OPTICS;

D O I：

10.4028/www.scientific.net/AMM.103.458

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In order to decrease the impurity absorption bands of Ge-Se-Te chalcogenide glasses in IR region. Three different kinds of deoxidants including Mg(magnesium), Al(aluminium) and Ca(calcium) were chosen. Properties measurements including density, Vis-NIR and infrared (IR) transmission spectra were adopted to analyze the relationship between impurity absorption bands and deoxidants. The concentrations of impurities in glass samples with different content of Mg were calculated by method of optic spectra. The results show that Mg is a better choice as deoxidant for chalcogenide glasses compared to Al and Ca. The values of main impurity concentration decrease from 4417.833 to 0 ppmw for Ge-O and from 55.236 to 0 ppmw for Si-O with increasing content of Mg, respectively. At least 200ppm Mg is needed to minimize the main absorption bands in IR region and G5 glass incorporated with 400ppm Mg has minimum concentration of impurities which means that it possesses the optimal transmission properties.

引用

页码：458 / +

页数：2

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