Novel laser-based techniques for monitoring of volcanoes

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

Abstract


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.

Keywords


diode laser;absorption spectroscopy;optical fiber

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References


DOI: https://doi.org/10.4401/ag-3232
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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X