Performance of a 400km interrogated fiber optics hydrophone array

Chunyan Cao; Shuidong Xiong; Qiong Yao; Zhengliang Hu; Yongming Hu

doi:10.1117/12.2059428

2 June 2014 Performance of a 400km interrogated fiber optics hydrophone array

Chunyan Cao, Shuidong Xiong, Qiong Yao, Zhengliang Hu, Yongming Hu

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91579B (2014) https://doi.org/10.1117/12.2059428
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We designed and constructed a 400km interrogated fiber-optics hydrophone (FOH) array for the bottom mounted applications. The experimental results show that the phase noise level of the remote array is -97dB re 1rad/sqrt(Hz) @1kHz, the maximum time division multiplexing (TDM) crosstalk level is -54dB, the wavelength division multiplexing (WDM) crosstalk level is better than -73dB and the signal correlation between two sensors is better than 0.98. The results demonstrate that the performance of this remote array has reached to an acceptable high level, so this architecture would be of great importance in the practical applications.

Citation Download Citation

Chunyan Cao, Shuidong Xiong, Qiong Yao, Zhengliang Hu, and Yongming Hu "Performance of a 400km interrogated fiber optics hydrophone array", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91579B (2 June 2014); https://doi.org/10.1117/12.2059428

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