Gas detection by cavity ringdown absorption with a fiber optic amplifier loop

Kathryn Atherton; George Stewart; Brian Culshaw

doi:10.1117/12.455741

22 February 2002 Gas detection by cavity ringdown absorption with a fiber optic amplifier loop

Kathryn Atherton, George Stewart, Brian Culshaw

Proceedings Volume 4577, Vibrational Spectroscopy-based Sensor Systems; (2002) https://doi.org/10.1117/12.455741
Event: Environmental and Industrial Sensing, 2001, Boston, MA, United States

Abstract

Cavity ring-down is investigated as a technique to increase the sensitivity of optical fiber gas sensors. The ring-down cavity consists of an optical fiber loop containing a micro-optic cell and an erbium-doped fiber amplifier. The erbium fiber amplifier introduces gain into the cavity to increase the ring-down times and therefore the system sensitivity. This paper reports an investigation of the system sensitivity.

Citation Download Citation

Kathryn Atherton, George Stewart, and Brian Culshaw "Gas detection by cavity ringdown absorption with a fiber optic amplifier loop", Proc. SPIE 4577, Vibrational Spectroscopy-based Sensor Systems, (22 February 2002); https://doi.org/10.1117/12.455741

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