Characterization of Nb/Al codoped silica fiber by writing long-period gratings with CO2 laser

被引：0
作者：
Chen, Na [1 ]
Wang, Litao [1 ]
Yan, Faming [1 ]
Chen, Zhenyi [1 ]
Liu, Yunqi [1 ]
Wang, Tingyun [1 ]
机构：
[1] Shanghai Univ, Sch Commun & Informat Engn, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2013年 / 19卷 / 06期
关键词：
Long-period grating (LPG); Nb/Al codoped silica fiber; Thermooptic coefficient; Elastooptic coefficient; TEMPERATURE SENSITIVITY; DOPED FIBER; SENSORS; PULSES; STRAIN;
D O I：
10.1016/j.yofte.2013.07.001
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we report a long-period grating (LPG) in Nb/Al codoped silica fiber with CO2 laser pulse writing technology. The temperature and strain characteristics of this Nb/Al-LPG were studied experimentally. Based on the experimental results, the thermooptic coefficient and elastooptic coefficient of the core of the Nb/Al codoped fiber were evaluated to be 7.99 x 10(-6)/degrees C and -0.222. (C) 2013 Elsevier Inc. All rights reserved.
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收藏
页码：519 / 522
页数：4
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