Plastic optical fiber sensor with humidity calibration for detecting propane and methane gas

Masayuki Morisawa; Naoki Tanaike; Satoshi Honma; Shinzo Muto

doi:10.1117/12.834104

5 October 2009 Plastic optical fiber sensor with humidity calibration for detecting propane and methane gas

Masayuki Morisawa, Naoki Tanaike, Satoshi Honma, Shinzo Muto

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75031L (2009) https://doi.org/10.1117/12.834104
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

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.

Citation Download Citation

Masayuki Morisawa, Naoki Tanaike, Satoshi Honma, and Shinzo Muto "Plastic optical fiber sensor with humidity calibration for detecting propane and methane gas", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75031L (5 October 2009); https://doi.org/10.1117/12.834104

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