Performance analysis of metal-coated fiber Bragg gratings for strain sensing at high temperatures

被引：1
|
作者：
Vimal, M. [1 ]
Chalackal, Archana Thrikkaikuth [1 ]
Kanakambaran, Srijith [1 ]
机构：
[1] Indian Inst Informat Technol Design & Mfg Kanchee, Dept Elect & Commun Engn, Chennai 600127, Tamil Nadu, India
来源：
2021 IEEE REGION 10 SYMPOSIUM (TENSYMP) | 2021年
关键词：
thermal stress; Bragg wavelength shift; strain sensing; high temperature;
D O I：
10.1109/TENSYMP52854.2021.9550881
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：
We investigate the performance of various metallic and bi-metallic coatings on FBG based sensors for strain sensing at high temperatures (70-600 degree C) through simulations. Titanium coating was found to offer the best sensitivity of 48pm/N among single metal coated FBGs. Titanium-Zinc (Ti/Zn) provides an optimum sensitivity of 45pm/N among bimetallic coatings. Our analysis reveals that compared to bimetallic coatings, single metal coatings provide better sensitivity towards force sensing at high temperatures.
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页数：4
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