Study on multi-channel distributed fiber optic gas monitoring system

Zheng-ying Li; Ying Xie

doi:10.1117/12.965870

7 November 2012 Study on multi-channel distributed fiber optic gas monitoring system

Zheng-ying Li, Ying Xie

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84219D (2012) https://doi.org/10.1117/12.965870
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

This paper presents a method using tunable diode laser spectroscopy and wavelength modulation technology to realize the research of multi-channel distributed fiber optic gas monitoring system. The sensor probe consist of gas cell and fiber optic without any circuit, therefore this system can realize the prediction and forewarning of gas concentration of non-electrical, long-distant, on-line and distributed. The experiment shows four channels fiber optic gas monitoring system is not influenced by variation of fiber length, and the system can get a correct detection of methane concentration value.

Citation Download Citation

Zheng-ying Li and Ying Xie "Study on multi-channel distributed fiber optic gas monitoring system", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84219D (7 November 2012); https://doi.org/10.1117/12.965870

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