A novel interrogation system for fiber Bragg grating sensor array

被引：2
|
作者：
Srinivas, T [1 ]
Madan, T [1 ]
Kumar, VS [1 ]
Kumar, TK [1 ]
Selvarajan, A [1 ]
机构：
[1] Indian Inst Sci, Dept Elect Commun Engn, Bangalore 560012, Karnataka, India
来源：
APPLICATIONS OF PHOTONIC TECHNOLOGY 5: CLOSING THE GAP BETWEEN THEORY, DEVELOPMENT, AND APPLICATION | 2002年 / 4833卷
关键词：
structural health monitoring; Fiber Bragg grating; dynamic strain measurement; interrogation schemes;
D O I：
10.1117/12.473926
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Interrogation techniques for fiber Bragg grating sensor arrays need particular attention in the case of structural health monitoring applications involving dynamic strain measurement. Typically the performance of the sensing system is dependent on both the sensor type and the interrogation method employed. A novel interrogation system is proposed here that consists of different interrogation units for each sensor in the array, each unit comprising of a circulator, chirped grating and a Mach-Zehnder interferometer. We present an analysis that consists of tracking the spectral changes as the light passes through various elements in the interrogation system. This is expected to help in the optimization of sensor and interrogation elements leading to improved performance of the health monitoring system.
引用
收藏
页码：184 / 190
页数：7
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