Method for Enhancing and Controlling Temperature Sensitivity of Fiber Bragg Grating Sensor Based on Two Bimetallic Strips

被引：22
|
作者：
Reddy, Parne Saidi [1 ]
Prasad, R. L. N. Sai [1 ]
Sengupta, Dipankar [1 ]
Kishore, Putha [1 ]
Shankar, M. Sai [1 ]
Narayana, K. S. [1 ]
Tiwari, U. K. [2 ]
机构：
[1] Natl Inst Technol Warangal, Dept Phys, Warangal 506004, Andhra Pradesh, India
[2] CSIO, Dept Phys, Chandigarh 160030, India
来源：
IEEE PHOTONICS JOURNAL | 2012年 / 4卷 / 03期
关键词：
Fiber Bragg Gratings; bimetallic strips; temperature sensitivity; controllability; thermal stability;
D O I：
10.1109/JPHOT.2012.2202102
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：
This paper presents a novel structure based on bimetallic strips for enhancing temperature sensitivity of fiber Bragg grating (FBG) sensors. Two different types of sensor heads have been designed for this implementation. The first sensor head consists of an FBG that is fixed between ceramic block on one side and a bimetallic strip made up of aluminum and copper on the other. The second sensor head consists of an FBG that is fixed between two bimetallic strips. Theoretical and experimental studies carried out on these proposed sensor heads resulted in an increase in temperature sensitivity of about six times greater than that of bare FBG sensor. Further, the proposed sensors have shown good linearity and stability.
引用
收藏
页码：1035 / 1041
页数：7
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