Carbon-steel tube surface mounted FBG sensors under high-temperature environment, part II: Gold coated and femtosecond laser written

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Carbon-steel tube surface mounted FBG sensors under high-temperature environment, part II: Gold coated and femtosecond laser written
Title:
Carbon-steel tube surface mounted FBG sensors under high-temperature environment, part II: Gold coated and femtosecond laser written
Journal Title:
Optoelectronics Global Conference (OGC)
Publication Date:
11 September 2020
Citation:
Abstract:
Fiber Bragg grating (FBG) sensors must be mounted at the outer surface of a metallic test-piece or em-bedded into a testing surface to be able to perform continuous condition monitoring. Robust mounting and reliable operation of such sensors for parameter monitoring in high-temperature operating environment is still a key challenge. Here, in the second part of the two-part article, we focus on the mounting of gold-coated femtosecond laser written FBG sensors on a carbon-steel tube and performance monitoring of the packaged sensors for temperature up to 500◦C, for three consecutive thermal cycles. The sensors experience a remarkable sensitivity to temperature, 28 pm/◦C.
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Funding Info:
National Research Foundation (NRF) Singapore, Energy Innovation Research Programme, under its Sembcorp-EMA Energy Technology Partnership (SEETP) (Singapore, LA/ Contract No: NRF2015EWT-EIRP001-010). Ministry of Education Singapore, Academic Research Fund Tier 1 (MOE2019-T1-001-111)
Description:
“© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.”
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