One-End-Access High-Speed Distributed Strain Measurement with 13-mm Spatial Resolution Based on Brillouin Optical Correlation-Domain Reflectometry

@article{Mizuno2009OneEndAccessHD,
  title={One-End-Access High-Speed Distributed Strain Measurement with 13-mm Spatial Resolution Based on Brillouin Optical Correlation-Domain Reflectometry},
  author={Yosuke Mizuno and Zuyuan He and Kazuo Hotate},
  journal={IEEE Photonics Technology Letters},
  year={2009},
  volume={21},
  pages={474-476}
}
We demonstrate a one-end-access high-speed distributed strain sensing with high spatial resolution in optical fibers based on Brillouin optical correlation-domain reflectometry. In this work, Brillouin frequency shifts (BFSs) of a 3- cm fiber section are measured with 13- mm spatial resolution and 50- Hz sampling rate. To our knowledge, this spatial resolution is the best result ever reported in Brillouin scattering-based reflectometers, and is superior to that obtained in Brillouin optical… CONTINUE READING
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