Distributed dynamic strain measurement with high accuracy and high spatial resolution based on DPP-BOTDA

Hailiang Zhang,Hui Dong,Dora Juan Juan Hu,Jianzhong Hao

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

We present 5 Hz dynamic strain measurement with a spatial resolution of 5 cm and accuracy of 5 µɛ in a 100-m-long polarization maintaining fiber by using DPP-BOTDA. The strain range is about 2000 µɛ.

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