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30 April 2024 Analysis of stress distribution characteristics in optical fibers of submarine cables with different structures
Tailong Lv, Zhenjin Cen, Xiaowei Huang, Qiang Guo, Jie Deng, Kaiyu Zeng, Xuexin Du, Xiaohui Tang
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Proceedings Volume 13153, Sixth Conference on Frontiers in Optical Imaging and Technology: Novel Technologies in Optical Systems; 131531M (2024) https://doi.org/10.1117/12.3021381
Event: Sixth Conference on Frontiers in Optical Imaging Technology and Applications (FOI2023), 2023, Nanjing, JS, China
Abstract
In order to measure fiber strain using distributed fiber strain sensing technology, the strain of three composite submarine cables is reflected. The on-line stress monitoring and intelligent early warning technology of long-distance and highprecision distributed fiber optic sensing submarine cable are studied, and the stress decoupling method of Brillouin distributed fiber based on fiber Brillouin scattering model is realized. Finite element simulation method is used to calculate conductor core strain through optical fiber strain. Combined with finite element simulation analysis, stress distribution characteristics of different stress damage modes of submarine cable such as anchor breakage, anchor hook and hanging are obtained, the alarm threshold of submarine cable stress anomaly is proposed to complete intelligent early warning of submarine cable stress anomaly. It also provides a theoretical basis for submarine cable routing and topographic information anomaly location and typical submarine cable fault diagnosis.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Tailong Lv, Zhenjin Cen, Xiaowei Huang, Qiang Guo, Jie Deng, Kaiyu Zeng, Xuexin Du, and Xiaohui Tang "Analysis of stress distribution characteristics in optical fibers of submarine cables with different structures", Proc. SPIE 13153, Sixth Conference on Frontiers in Optical Imaging and Technology: Novel Technologies in Optical Systems, 131531M (30 April 2024); https://doi.org/10.1117/12.3021381
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KEYWORDS
Deformation
Clouds
Optical fibers
Fiber optics
Lead
Finite element methods
Optical transmission
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