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Proceedings Paper

Region selectable gas sensing for long distance pipeline maintenance
Author(s): Mifang Lu; Koji Nonaka; Hirokazu Kobayashi; Jun Yang; Libo Yuan
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Paper Abstract

We propose a region selectable gas sensing system, which can address gases of single and/or different species at multilocations. This technique is based on optical spectroscopy of each selected numerous absorption lines of gas. Primary experiment using fiber-optic absorption sensors, sensing regions and region selectors are demonstrated. Specific FBGs are employed to reflect the selected spectrum for each sensing region. FBG monitor what encloses the tunable light source and spectrum analyzer works as selected gas and region absorptions measurement. Absorption ratio was estimated which indicates that the technique is applicable in lightweight fiber optic wide-regions gas sensing.

Paper Details

Date Published: 17 October 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84212C (17 October 2012); doi: 10.1117/12.970265
Show Author Affiliations
Mifang Lu, Kochi Univ. of Technology (Japan)
Koji Nonaka, Kochi Univ. of Technology (Japan)
Hirokazu Kobayashi, Kochi Univ. of Technology (Japan)
Jun Yang, Harbin Engineering Univ. (China)
Libo Yuan, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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