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Experimental research on a fiber-optic temperature and pressure sensor array for ocean observation
Author(s): Xincan Lou; Fenghuan Hao; Shaoling He; Bo Li
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Paper Abstract

A fiber-optic temperature and pressure sensor array for ocean observation is built and studied experimentally. The sensor array consists of 4 subarrays. Each sensor subarray is composed of a certain number of FBG temperature sensors and FBG pressure sensors which are connected in a single optical fiber. The wavelength scanning and time division multiplexing techniques are combined to demodulate the FBG wavelengths of sensor array. The experimental results show that the wavelengths of FBGs in different subarrays can be demodulated and all the sensors can measure the temperature or pressure with high accuracy. The fiber-optic temperature and pressure sensor array and the demodulation method have great potential application in acquirement of the vertical profile of temperature in seawater.

Paper Details

Date Published: 23 October 2018
PDF: 6 pages
Proc. SPIE 10821, Advanced Sensor Systems and Applications VIII, 108211T (23 October 2018); doi: 10.1117/12.2501440
Show Author Affiliations
Xincan Lou, Hangzhou Applied Acoustics Research Institute (China)
Fenghuan Hao, Hangzhou Applied Acoustics Research Institute (China)
Shaoling He, Hangzhou Applied Acoustics Research Institute (China)
Bo Li, Hangzhou Applied Acoustics Research Institute (China)


Published in SPIE Proceedings Vol. 10821:
Advanced Sensor Systems and Applications VIII
Tiegen Liu; Shibin Jiang, Editor(s)

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