Sea trial of 16-element DFB-FL hydrophone towed array

Haiyan Zhang; Xuefeng Wang; Chen Zhao

doi:10.1117/12.2547727

18 December 2019 Sea trial of 16-element DFB-FL hydrophone towed array

Haiyan Zhang, Xuefeng Wang, Chen Zhao

Proceedings Volume 11340, AOPC 2019: Optical Fiber Sensors and Communication; 1134016 (2019) https://doi.org/10.1117/12.2547727
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

Lack of suitable towed array has existed as a main problem for further extended use of small underwater mobile platforms such as UUV. In this paper, an ultra-thin fiber-optic hydrophone towed array is developed based on DFB fiber laser, which diameter is only 12mm. And the performance of the towed array of the fiber-optic hydrophone is tested by towboat. The experimental results show that the towed noise of the array is 69dB re. uPa/√Hz@1kHz. In addition, the fiber towed hydrophone array can precisely determine the spatial characteristics of the underwater acoustic field at 6 knots, which verifies the feasibility of the ultra-thin fiber laser hydrophone towed array in UUV and other underwater platforms.

Citation Download Citation

Haiyan Zhang, Xuefeng Wang, and Chen Zhao "Sea trial of 16-element DFB-FL hydrophone towed array", Proc. SPIE 11340, AOPC 2019: Optical Fiber Sensors and Communication, 1134016 (18 December 2019); https://doi.org/10.1117/12.2547727

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