Fiber optic powered remote gas monitor

Tom H. Dubaniewicz Jr.; Joseph E. Chilton

doi:10.1117/12.216819

18 August 1995 Fiber optic powered remote gas monitor

Tom H. Dubaniewicz Jr., Joseph E. Chilton

Proceedings Volume 2622, Optical Engineering Midwest '95; (1995) https://doi.org/10.1117/12.216819
Event: Optical Engineering Midwest '95, 1995, Chicago, IL, United States

Abstract

Many mines rely on toxic gas sensors to help maintain a safe and healthy work environment. This report describes a prototype monitoring system developed by the US Bureau of Mines that uses light to power and communicate with several remote electrochemical toxic gas sensors. The design is based on state-of-the-art optical-to-electrical power converters, solid- state diode lasers, and fiber optics. This design overcomes several problems associated with conventional wire-based systems by providing complete electrical isolation between the remote sensors and the central monitor. The prototype accurately monitored three remote gas sensors during a two-week field trial in the USBM Pittsburgh Research Center Safety Research Coal Mine.

Citation Download Citation

Tom H. Dubaniewicz Jr. and Joseph E. Chilton "Fiber optic powered remote gas monitor", Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); https://doi.org/10.1117/12.216819

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