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Proceedings Paper

Wavelength division multiplex optical fiber Bragg grating temperature array for ocean detection
Author(s): Xingrong Li; Zhi Yang; Yongqian Li; Hanbai Fan
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Paper Abstract

The wavelength division multiplex FBG sensor system was researched.The sensor array was designed, and this system was used in ocean water temperature detection.This experiment was achived in South China Sea with 300 meters long Bragg grating array and got original signal wavelength.The wavelength data was processed and transformed into temperature.By curve fitting,the seawater profile temperature can be obtained.Simultaneously,contrastive test was completed with CTD,which was recommended by experts. By processing the data with MATLAB,the resolution attained 0.1°C, and the precision attained 0.2°C,the temperature changed trends was the same with CTD,and small deviation was exsited.

Paper Details

Date Published: 29 October 2009
PDF: 7 pages
Proc. SPIE 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors, 75141G (29 October 2009); doi: 10.1117/12.839459
Show Author Affiliations
Xingrong Li, North China Electric Power Univ. (China)
Zhi Yang, North China Electric Power Univ. (China)
Yongqian Li, North China Electric Power Univ. (China)
Hanbai Fan, North China Electric Power Univ. (China)


Published in SPIE Proceedings Vol. 7514:
Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors
Dieter Stefan Jäger; Hequan Wu; Shuisheng Jian; Desheng Jiang; Deming Liu; Weiwei Dong; Qizhen Sun; Xiaochun Xiao, Editor(s)

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