Effect of Te on linear and non-linear optical properties of new quaternary Ge-Se-Sb-Te chalcogenide glasses

被引：0
作者：
Neha Sharma
Sunanda Sharda
S. C. Katyal
Vineet Sharma
Pankaj Sharma
机构：
[1] Jaypee University of Information Technology,Department of Physics and Materials Science
[2] Jaypee Institute of Information Technology,Department of Physics
[3] Sec - 128,undefined
来源：
Electronic Materials Letters | 2014年 / 10卷
关键词：
optical materials; thin films; tauc gap; refractive index;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We report linear and non-linear optical properties of a new quaternary chalcogenide glass series Ge19-ySe63.8Sb17.2Tey (y = 0, 2, 4, 6, 8, 10). In linear optical properties; refractive index, extinction coefficient and the Tauc gap are reported and their variation with Te content has been discussed. In non-linear properties; third order nonlinear susceptibility and non-linear refractive index has been discussed. The variation of non-linear refractive index has also been reported with normalized photon energy. A correlation between the Tauc gap and nonlinear refractive index has been discussed. Results indicate that these materials may find applications in modern optical devices.
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页码：101 / 106
页数：5
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