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Proceedings Paper

High-sensitivity pressure sensor based on fiber Bragg grating and metal bellows
Author(s): Dongcao Song; Jilin Zou; Zhanxiong Wei; Shangming Yang; Hong-Liang Cui
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Paper Abstract

An optical fiber pressure sensor based on fiber Bragg grating (FBG) and metal bellows is presented in this paper. Due to the lower spring rate of metal bellows, the sensitivity is improved to 48pm/kPa. The relationship between Bragg wavelength and the applied pressure is derived. Experimental data indicates that there is good linear relation between the Bragg wavelength shift and the applied pressure. This sensor can be utilized in low pressure measurement.

Paper Details

Date Published: 27 April 2009
PDF: 8 pages
Proc. SPIE 7316, Fiber Optic Sensors and Applications VI, 73160H (27 April 2009); doi: 10.1117/12.815624
Show Author Affiliations
Dongcao Song, Stevens Institute of Technology (United States)
Jilin Zou, Stevens Institute of Technology (United States)
Zhanxiong Wei, Stevens Institute of Technology (United States)
Shangming Yang, Yantai Univ. (China)
Hong-Liang Cui, Stevens Institute of Technology (United States)


Published in SPIE Proceedings Vol. 7316:
Fiber Optic Sensors and Applications VI
Eric Udd; Henry H. Du; Anbo Wang, Editor(s)

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