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Proceedings Paper

Analysis and study of static pressure distribution in an optical cable spool using distributed fiber Bragg gratings
Author(s): Liyong Ren; Chengju Ma; Feng Tang; Enshi Qu; Xu Han
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Paper Abstract

We present a theoretical model to study the static pressure distribution among the layers of an optical fiber cable spool based on the force analysis of the cable system. Using the distributed fiber Bragg grating (FBG) sensing technique, the static pressures within the fiber cable layers of the spool were measured according to the Bragg wavelength shifts of the FBGs embedded in the cable. The effects of the cable spool shrinkage owing to the pressure from outer fiber cable layers on the cable tension and the radial pressure were analyzed in detail. As a result, the relationship between the static pressure upon the fiber and the resulted Bragg wavelength shift of the FBG was deduced. The static pressure distribution of the fiber optical cable spool is obtained both in theory and experiment. Theoretical simulations coincide with experimental results. This technology provides us a real-time method to monitor the inner pressure among the fiber cable layers during the optical cable winding process.

Paper Details

Date Published: 31 January 2012
PDF: 8 pages
Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 835119 (31 January 2012); doi: 10.1117/12.913783
Show Author Affiliations
Liyong Ren, Xi'an Institute of Optics and Precision Mechanics (China)
Chengju Ma, Xi'an Institute of Optics and Precision Mechanics (China)
Xi'an Shiyou Univ. (China)
Feng Tang, Xi'an Institute of Modern Control Technology (China)
Enshi Qu, Xi'an Institute of Optics and Precision Mechanics (China)
Xu Han, Xi'an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 8351:
Third Asia Pacific Optical Sensors Conference
John Canning; Gangding Peng, Editor(s)

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