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physics.ins-det2024
Operando monitoring of strain field distribution in lithium battery anode via ultra-high spatial resolution optical frequency domain reflectometer
Kaijun Liu, Zhijuan Zou, Guolu Yin +7
The cycling performance of lithium-ion batteries is closely related to the expansion effect of anode materials during charge and discharge processes. Studying the mechanical field…
physics.ins-det2018★ 2 cited
Long range fading free phase-sensitive reflectometry based on multi-frequency NLFM pulse
Jingdong Zhang, Hua Zheng, Tao Zhu +5
A long range phase-sensitive optical time domain reflectometer (phi-OTDR) with a multi-frequency non-linear frequency modulation (NLFM) optical pulse is proposed in this Letter. To…
physics.ins-det2017★ 46 cited
Distributed fiber sparse-wideband vibration sensing by sub-Nyquist additive random sampling
Jingdong Zhang, Hua Zheng, Tao Zhu +6
The round trip time of the light pulse limits the maximum detectable vibration frequency response range of phase-sensitive optical time domain reflectometry (ϕ-OTDR). Unlike the un…