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Proceedings Paper

Sea trial of 16-element DFB-FL hydrophone towed array
Author(s): Haiyan Zhang; Xuefeng Wang; Chen Zhao
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Paper 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.

Paper Details

Date Published: 18 December 2019
PDF: 6 pages
Proc. SPIE 11340, AOPC 2019: Optical Fiber Sensors and Communication, 1134016 (18 December 2019); doi: 10.1117/12.2547727
Show Author Affiliations
Haiyan Zhang, Beijing Institute of Aerospace Control Devices (China)
Beijing Opitcal Fiber Sensing System Engineering Technology Research Ctr. (China)
Pilot National Lab. for Marine Science and Technology (China)
Xuefeng Wang, Beijing Institute of Aerospace Control Devices (China)
Beijing Opitcal Fiber Sensing System Engineering Technology Research Ctr. (China)
Pilot National Lab. for Marine Science and Technology (China)
Chen Zhao, Beijing Institute of Aerospace Control Devices (China)
Beijing Opitcal Fiber Sensing System Engineering Technology Research Ctr. (China)
Pilot National Lab. for Marine Science and Technology (China)


Published in SPIE Proceedings Vol. 11340:
AOPC 2019: Optical Fiber Sensors and Communication
Jie Zhang; Songnian Fu; Jun Yang, Editor(s)

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