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Regular | Open Access

Distributed Fiber Birefringence Measurement Using Pulse-Compression Φ-OTDR

Yongxiang CHEN, Yun FU, Ji XIONG, Zinan WANG( )
Key Lab of Optical Fiber Sensing & Communications, University of Electronic Science &Technology of China, Chengdu 611731, China
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An erratum to this article is available online at:
https://doi.org/10.1007/s13320-021-0624-7

Abstract

In this paper, a novel birefringence measurement method through the Rayleigh backscattered lightwave within single-mode fiber is proposed, using a single chirped-pulse with arbitrary state of polarization. Numerical analysis is carried out in detail, then pulse-compression phase-sensitive optical time domain reflectometry (PC-Φ-OTDR) with polarization-diverse coherent detection is employed to verify this method. A 2 km spun single-mode fiber is tested with 8.6 cm spatial resolution, and the average birefringence of the fiber under test is measured as 0.234 rad/m, which is consistent with previous literatures about single-mode fiber. Moreover, the relationship between the measured birefringence and the spatial resolution is also studied for the first time, and the results show that spatial resolution is crucial for fiber birefringence measurement.

Keywords

BirefringenceRayleigh scatteringpulse-compressionphase-sensitive optical time-domain reflectometrycoherent detectionpolarization-diverse receiver

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Photonic Sensors
Volume 11 Issue 4,
December 2021
Pages 402-410
DOI: 10.1007/s13320-020-0604-3

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Cite this article:
CHEN Y, FU Y, XIONG J, et al. Distributed Fiber Birefringence Measurement Using Pulse-Compression Φ-OTDR. Photonic Sensors, 2021, 11(4): 402-410. https://doi.org/10.1007/s13320-020-0604-3

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Received: 01 May 2020
Revised: 31 July 2020
Published: 12 September 2020
© The Author(s) 2020.

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.