Time-division multiplexing fiber grating sensor with a tunable pulsed laser

被引：18
|
作者：
Dong, Bo [1 ]
He, Shiya
Hu, Shuyang
Tian, Dawei
Lv, Junfeng
Zhao, Qida
机构：
[1] Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China
[2] Beijing Univ Technol, Appl Sci Coll, Beijing 100022, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2006年 / 18卷 / 21-24期
关键词：
fiber Bragg grating (FBG) sensor; matched fiber Bragg grating (FBG); stepper motor; time-division multiplexing (TDM); tunable pulsed laser;
D O I：
10.1109/LPT.2006.887197
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：
A novel time-division-multiplexing fiber Bragg grating (FBG) sensor with a tunable pulsed laser is proposed and demonstrated. A tunable pulsed fiber laser based on a matched FBG is applied. The wavelengths of the sensing FBGs are obtained by detecting maximum voltages With a photodiode, which avoids a complex demodulation process. The advantages of the sensor include simple structure, high signal-to-noise ratio, and the sensing signals obtained by detecting the maximum voltages.
引用
收藏
页码：2620 / 2622
页数：3
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