Study on the demodulation technique of fiber grating sensor arrays based on a tunable pulsed laser

被引：0
|
作者：
Dongbo [1 ]
Zhao, Qida [1 ]
He, Shiya [2 ]
Hu, Shuyang [2 ]
Guotuan [1 ]
Xue, Lifan [1 ]
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：
FUNDAMENTAL PROBLEMS OF OPTOELECTRONICS AND MICROELECTRONICS III, PTS 1 AND 2 | 2007年 / 6595卷
关键词：
FBG sensor arrays; TDM; tunable pulsed laser; matched-FBG; stepper motor;
D O I：
10.1117/12.726616
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：
Time-division-multiplexing(TDM) demodulation technique of Fiber Bragg Grating(FBG) sensor arrays based on a tunable pulsed laser is studied. A tunable fiber laser based on a matched FBG is applied, and the wavelengths of the sensing FBGs are obtained by determining the maximum voltages by using a photodiode. The advantages of this scheme include simple structure, high signal-to-noise ratio, and the sensing signals are obtained by determining the maximum voltages.
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页数：6
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