Ms. Fei Gao Profile

Fei Gao

at Systems Engineering Research Institute, CSSC

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Proceedings Article | 4 December 2020 Paper

Research on online monitoring system of submarine cable based on bidirectional Mach Zehnder interferometer

Fei Gao, Huan Zhang, Yao Li, Jiali Wei, Meng Wang

Proceedings Volume 11617, 116172E (2020) https://doi.org/10.1117/12.2585312

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For the fact that the submarine cable has no sensing function and can’t sense external threats (such as anchor damage, manmade damage, etc.) in real time, an online monitoring system of submarine cable based on bidirectional Mach Zehnder interferometer (BMZI) is proposed. The sensing principle of the system is analyzed theoretically, and a new type of submarine cable is designed and developed. Different optical fibers inside the new submarine cable are selected as the sensing arms of the interferometer to carry out the vibration positioning test. The test results show that: the on-line monitoring system of submarine cable can effectively monitor the vibration events of submarine cable; the average positioning error is 13.23m with submarine cable of 3.5km.

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