High-temperature measurement using Cu-plating fiber Bragg grating for metal smart structure applications

Tianying Chang; Lei Jia; Qingmei Sui; Hong-Liang Cui

doi:10.1117/12.2043915

8 March 2014 High-temperature measurement using Cu-plating fiber Bragg grating for metal smart structure applications

Tianying Chang, Lei Jia, Qingmei Sui, Hong-Liang Cui

Author Affiliations +

Proceedings Volume 9061, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014; 90613P (2014) https://doi.org/10.1117/12.2043915
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2014, San Diego, California, United States

Abstract

High-temperature experiments for electroless Cu-plating Fiber Bragg Grating (FBG) indicate that Cu-plating FBG can measure high-temperature up to (even beyond) 300°C and it has high linearity, accuracy and repeatability. We can control Cu-plating FBG’s temperature sensitivity by controlling plating layer’s thickness. Temperature sensitivity of FBG with Cu-plating can be improved by more than three times with no less than 300μmthick coating by electroless and electrical Cu-plating. Such FBG can be soldered onto metal structures to get good bonding with the structure. As a result, such fiber sensors can get good protection, and high-temperature monitoring of smart structure is obtained.

Citation Download Citation

Tianying Chang, Lei Jia, Qingmei Sui, and Hong-Liang Cui "High-temperature measurement using Cu-plating fiber Bragg grating for metal smart structure applications", Proc. SPIE 9061, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014, 90613P (8 March 2014); https://doi.org/10.1117/12.2043915

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