High-precision optical fiber sensing beyond 1000{\deg}C
Mohan Wang, Patrick S. Salter, Frank P. Payne, Adrian Shipley, Igor N., Dyson, Tongyu Lui,1tao Wang, Kaihui Zhang, Jian Zhang, Zhitai Jia, Stephen M., Morris, Martin J. Booth, and Julian A. J. Fells
TL;DR
This paper presents a novel single-mode sapphire fiber Bragg grating sensor capable of measuring temperatures up to 1200°C with high precision and repeatability, surpassing previous multimode fiber limitations.
Contribution
The authors demonstrate a single-mode sapphire fiber Bragg grating sensor functioning reliably above 1000°C, achieving high precision and repeatability, which is a significant advancement over traditional multimode sapphire fibers.
Findings
Operates up to 1200°C with high accuracy
Repeatability above 1000°C within ±0.08%
Surpasses previous multimode fiber sensor limitations
Abstract
Sapphire fiber can withstand around 2000{\deg}C, but it is multimoded, giving poor precision sensors. We demonstrate a single-mode sapphire fiber Bragg grating temperature sensor operating up to 1200{\deg}C. The repeatability above 1000{\deg}C is within {\pm}0.08%.
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Taxonomy
TopicsAdvanced Fiber Optic Sensors · Photonic and Optical Devices · Advanced Fiber Laser Technologies