Long-range and high-sensitivity distributed strain sensing based on PNC-OFDR

Zhaopeng Zhang; Xinyu Fan; Zuyuan He

doi:10.1364/OFS.2018.TuE26

26th International Conference on Optical Fiber Sensors
OSA Technical Digest (Optica Publishing Group, 2018),
paper TuE26
•https://doi.org/10.1364/OFS.2018.TuE26

Long-range and high-sensitivity distributed strain sensing based on PNC-OFDR

Zhaopeng Zhang, Xinyu Fan, and Zuyuan He

Optical Fiber Sensors 2018

Lausanne Switzerland
24–28 September 2018
ISBN: 978-1-943580-50-7

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Poster Session I (TuE)

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Z. Zhang, X. Fan, and Z. He, "Long-range and high-sensitivity distributed strain sensing based on PNC-OFDR," in 26th International Conference on Optical Fiber Sensors, OSA Technical Digest (Optica Publishing Group, 2018), paper TuE26.

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Abstract

A method of measuring distributed strain over 25 km in single-mode fiber with a high sensitivity is presented in this paper. By eliminating the laser phase noise, 2.5-m spatial resolution and 58-nε strain resolution are achieved.

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