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Conferences > ACPC > 2018 > Su4B > Su4B.4
  • Asia Communications and Photonics Conference (ACP) 2018
  • OSA Technical Digest (Optica Publishing Group, 2018),
  • paper Su4B.4

Enhancing Laser Phase-noise Immunity of Distributed Vibration Sensor by Phase-extraction φ-OTDR

Yuying Shao, Huanhuan Liu, Peng Peng, Fufei Pang, Guoqin Yu, Zhen Chen, Na Chen, and Tingyun Wang

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Abstract

We have demonstrated distributed vibration sensors based on phase-sensitive optical time-domain reflectometer (φ-OTDR) system exhibiting immunity to laser phase noise. By using phase difference method, two φ-OTDR systems with distinct linewidth shows comparable SNR.

© 2018 The Author(s)

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