High-temperature all-fiber non-destructive multi-parameter sensing system with consistent performance
Abstract
A high-temperature all-fiber non-destructive multi-parameter sensing system is developed. The system can operate consistently in a wide range of temperature changes by specially designed active signal generation and detection units. It is capable of monitoring temperature up to 600°C and cracks on metal pipes with an acoustic wave generation unit and an acoustic detection unit. A gold-coated multi-mode fiber is used to deliver a laser pulse for acoustic excitation while minimizing parasitic acoustic signals at high temperature. An in-fiber Fabry–Perot fiber Bragg grating (FP-FBG) is fabricated in another single-mode fiber and bonded to the test object for acoustic detection. The FP-FBG avoids strain redistribution inside the bonder at high temperature to ensure consistent operation. The feasibility of the system for temperature monitoring and crack detection in real-world applications is also demonstrated on an industry-standard P91 pipe.
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1604815
- Grant/Contract Number:
- FE0007405
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Optics Letters
- Additional Journal Information:
- Journal Name: Optics Letters Journal Volume: 45 Journal Issue: 7; Journal ID: ISSN 0146-9592
- Publisher:
- Optical Society of America
- Country of Publication:
- United States
- Language:
- English
Citation Formats
He, Jiaji, Hu, Chennan, Hu, Di, and Wang, Anbo. High-temperature all-fiber non-destructive multi-parameter sensing system with consistent performance. United States: N. p., 2020.
Web. doi:10.1364/OL.386798.
He, Jiaji, Hu, Chennan, Hu, Di, & Wang, Anbo. High-temperature all-fiber non-destructive multi-parameter sensing system with consistent performance. United States. https://doi.org/10.1364/OL.386798
He, Jiaji, Hu, Chennan, Hu, Di, and Wang, Anbo. Tue .
"High-temperature all-fiber non-destructive multi-parameter sensing system with consistent performance". United States. https://doi.org/10.1364/OL.386798.
@article{osti_1604815,
title = {High-temperature all-fiber non-destructive multi-parameter sensing system with consistent performance},
author = {He, Jiaji and Hu, Chennan and Hu, Di and Wang, Anbo},
abstractNote = {A high-temperature all-fiber non-destructive multi-parameter sensing system is developed. The system can operate consistently in a wide range of temperature changes by specially designed active signal generation and detection units. It is capable of monitoring temperature up to 600°C and cracks on metal pipes with an acoustic wave generation unit and an acoustic detection unit. A gold-coated multi-mode fiber is used to deliver a laser pulse for acoustic excitation while minimizing parasitic acoustic signals at high temperature. An in-fiber Fabry–Perot fiber Bragg grating (FP-FBG) is fabricated in another single-mode fiber and bonded to the test object for acoustic detection. The FP-FBG avoids strain redistribution inside the bonder at high temperature to ensure consistent operation. The feasibility of the system for temperature monitoring and crack detection in real-world applications is also demonstrated on an industry-standard P91 pipe.},
doi = {10.1364/OL.386798},
journal = {Optics Letters},
number = 7,
volume = 45,
place = {United States},
year = {2020},
month = {3}
}
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