Structure optimization of a liquid-sealed SNS fiber optic temperature sensor
Optics & Laser Technology(2023)
Abstract
•A novel fiber optic temperature sensor based on multimode interference is proposed.•The sensitivity is improved by splicing NCFs with different diameters and tapered fusion.•An ultra-high temperature sensitivity of −14.448 nm/K is achieved.•The reproductivity and repeatability of the proposed sensor are remarkable.
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Key words
Temperature measurement,Optical fiber sensor,Sensitivity
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