An evanescent-field fiber-sensor is used to monitor the CO2-concentration directly within a fumerole with a time resolution better than minutes. This device facilitates long-term measurements and offers great potential as precursor for volcanic activity.
© 2004 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.3420) Remote sensing and sensors : Laser sensors
U. Willer, C. Bohling, and W. Schade, "Fiber-optic laser-sensor for online and in-situ monitoring of volcano gases," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CTuG7.
References are not available for this paper.