Remote optical sensing network for gas monitoring based on laser spectroscopy over hybrid TDM/WDM-PONs

Ming-Fang Huang; Genevieve Plant; Akihiro Tanaka; Neda Cvijetic; Yue Tian; Gerard Wysocki; Ting Wang

doi:10.1117/12.2193201

28 September 2015 Remote optical sensing network for gas monitoring based on laser spectroscopy over hybrid TDM/WDM-PONs

Ming-Fang Huang, Genevieve Plant, Akihiro Tanaka, Neda Cvijetic, Yue Tian, Gerard Wysocki, Ting Wang

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963414 (2015) https://doi.org/10.1117/12.2193201
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

We propose an optical gas sensing network directly overlaid onto optical access networks, hybrid TDM/WDM-PONs. Centralized remote gas monitoring is demonstrated using three different sensing technologies: Chirp Laser Dispersion Spectroscopy (CLaDS), Direct Laser Absorption Spectroscopy (DLAS) and tunable diode laser absorption spectroscopy (TDLS). DLAS performs fast threshold detection while CLaDS provides quantitative information about the gas. Additionally, TDLS utilizes a cost-effective solution for multiple gases detection. The results confirm that centralized remote gas sensing can be realized in optical communication networks using standard single-mode fiber (SMF), which provides a real time, low cost, and maintenance-free solution.

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Ming-Fang Huang, Genevieve Plant, Akihiro Tanaka, Neda Cvijetic, Yue Tian, Gerard Wysocki, and Ting Wang "Remote optical sensing network for gas monitoring based on laser spectroscopy over hybrid TDM/WDM-PONs", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963414 (28 September 2015); https://doi.org/10.1117/12.2193201

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