Novel laser-based techniques for monitoring of volcanoes

G. De Natale, P. De Natale, G. Gagliardi, L. Gianfrani, A. S. D. Rocco


An overview of novel laser techniques suitable for volcanic monitoring, based on different kinds of infrared laser
sources, is presented. Their main advantages and drawbacks are discussed focusing on the achievable sensitivity
and precision levels in analysis of gaseous species. Some of the most recent experimental results obtained in
laboratory development as well as in field tests of home-built laser spectrometers are reported. New perspectives
in optical devices aimed at geochemical and geophysical applications are also considered.


diode laser;absorption spectroscopy;optical fiber

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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X