Strain multipoint measurements based on chirped Bragg grating sensors

被引：0
|
作者：
Zheng, Li [1 ]
机构：
[1] Huaiyin Teacher Coll, Dept Phys & Elect, Huaian 223001, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2006年 / 35卷
关键词：
optical fiber sensor; chirped grating; WDM; sub-carrier phase;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we propose the novel system of multipoint measurement. The sensors of measurements are chirped Bragg grating and the interrogation of sensors is sub-carrier phase. The wavelength division multiplexing technique is used for addressing a network of FBG sensors and the time-division multiplexing technique is used for multipoint measurements. In the system, the modulation frequency of 200 MHz is adopted. The range of dectetion is from 0 to 900 mu epsilon and the resolution is 12 mu epsilon. The time of the sensor response is about Ins.
引用
收藏
页码：607 / 610
页数：4
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