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A wide-range OFDR strain sensor based on UV-exposed-SMF and distance compensation method was demonstrated. A UV-exposed-SMF with Rayleigh backscattering (RBS) enhancement of 35.4 dB was successfully obtained to improve the signal-to-noise ratio. By combining distance compensation method, the strain, up to 9000 με, could be successfully demodulated under the spatial resolution of 1.5 mm.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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