Title :
Fiber-optic laser-sensor for online and in-situ monitoring of volcano gases
Author :
Willer, Ulrike ; Bohling, Christian ; Schade, Wolfgang
Author_Institution :
Inst. fuer Phys. und Physikalische Technol., Technische Univ. Clausthal, Clausthal-Zellerfeld
Abstract :
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
Keywords :
atmospheric composition; atmospheric techniques; carbon compounds; fibre optic sensors; gas sensors; geochemistry; remote sensing by laser beam; seismology; spectrochemical analysis; volcanology; CO2; CO2 concentration; evanescent-field fiber-sensor; fiber-optic sensor; fumerole; in-situ monitoring; laser-sensor; long-term measurements; online monitoring; volcanic activity precursors; volcano gases;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
