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Proceedings Paper

Plastic optical fiber sensor with humidity calibration for detecting propane and methane gas
Author(s): Masayuki Morisawa; Naoki Tanaike; Satoshi Honma; Shinzo Muto
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Paper Abstract

Combustible gases, such as propane and methane-based city gas, are widely used in many homes and factories. However, accidents caused by gas leakage have become a menace to everyday life. Therefore, we have developed a simple and safe optical sensor for detecting leaking gas, which consists of plastic optical fiber (POF) coated with swelling polymer as a sensitive cladding layer. In experiments, a gas concentration below 3% was detected for both propane and methane gas. However, it was also confirmed that this system is influenced by humidity. Therefore, further improvement of the POF gas-sensing system with a POF humidity calibrator is proposed and discussed in this paper.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75031L (5 October 2009); doi: 10.1117/12.834104
Show Author Affiliations
Masayuki Morisawa, Univ. of Yamanashi (Japan)
Naoki Tanaike, Univ. of Yamanashi (Japan)
Satoshi Honma, Univ. of Yamanashi (Japan)
Shinzo Muto, Univ. of Yamanashi (Japan)


Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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