In-Fiber Gratings for Simultaneous Monitoring Temperature and Strain in Ultrahigh Temperature

被引：50

作者：

Yang, Hang Zhou ^{[1
]}

Qiao, Xue Guang ^{[1
]}

Wang, Yu Peng ^{[1
]}

Ali, Muhammad Mahmood ^{[2
]}

Lai, Man Hong ^{[2
]}

Lim, Kok Sing ^{[2
]}

Ahmad, Harith ^{[2
]}

机构：

[1] NW Univ Xian, Sch Phys, Xian 710069, Peoples R China

[2] Univ Malaya, Photon Res Ctr, Fac Sci, Kuala Lumpur 50603, Malaysia

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Fiber Bragg gratings; regenerated grating; temperature and strain sensing; ultra-high temperature; DISCRIMINATION; SENSORS;

D O I：

10.1109/LPT.2014.2361768

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：

In this letter, a pair of regenerated gratings with Bragg wavelengths of 1547 and 1304 nm in a single piece of single-mode fiber has been fabricated for simultaneous monitoring of temperature and strain in ultrahigh temperature environment. A 3 x 3 matrix is used to characterize the cross sensitivity of the proposed sensor in which the strain sensitivity varies with temperature change. The proposed structure exhibits the deviation of 28.3 mu epsilon and 4.1 degrees C at the ranges of 0-1000 mu epsilon and 25 degrees C-900 degrees C, respectively.

引用

页码：58 / 61

页数：4

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