Multi-constituents detection in contaminated aerosol clouds using remote-filament-induced breakdown spectroscopy

Remote-filament-induced breakdown spectroscopy (R-FIBS) was used for probing a cloud of aqueous aerosols containing a mixture of PbCl2, CuCl2, FeCl2 and NaCl. We demonstrated experimentally that it can be used as a sensitive sensing technique to remotely retrieve the composition of microdroplets in...

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Bibliographic Details
Published in:Optics communications 2007-10, Vol.278 (1), p.147-152
Main Authors: Daigle, J.-F., Mathieu, P., Roy, G., Simard, J.-R., Chin, S.L.
Format: Article
Language:English
Subjects:
Atmospheric optics
Biological and medical applications
Earth, ocean, space
Exact sciences and technology
External geophysics
Fundamental areas of phenomenology (including applications)
Laser spectroscopy
Meteorology
Optics
Particles and aerosols
Physics
Remote sensing
lidar and adaptive systems
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Summary:Remote-filament-induced breakdown spectroscopy (R-FIBS) was used for probing a cloud of aqueous aerosols containing a mixture of PbCl2, CuCl2, FeCl2 and NaCl. We demonstrated experimentally that it can be used as a sensitive sensing technique to remotely retrieve the composition of microdroplets in clouds located at a distance. In fact, fluorescence from all the metallic ions dissolved was observed. Moreover, these spectrally narrow atomic transitions excited by the low-density plasma did not show any signal overlap. These characteristic spectra demonstrate that R-FIBS can be used to simultaneously recognize and distinguish every single metallic constituent dissolved inside such a cloud.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2007.05.044