Optics express
Suppression of Doppler-induced crosstalk in linear-frequency-swept Φ-OTDR using scattering-enhanced fiber.
Yihang Wang, Baijie Xu, Guanfeng Chen, Zichen Li, Bin Du, Xizhen Xu, Yiping Wang, Jun He
Published: 202510.1364/OE.568572
Abstract
Linear-frequency-swept (LFS) phase-sensitive optical time domain reflectometry (Φ-OTDR) can overcome the constraints between spatial resolution and signal-to-noise ratio. However, the Doppler shift induced by vibration in the Rayleigh backscattering…
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