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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 6 — Mar. 15, 2009
  • pp: 800–802

Measurement of Mount Etna plume by C O 2 -laser-based lidar

Luca Fiorani, Francesco Colao, and Antonio Palucci  »View Author Affiliations


Optics Letters, Vol. 34, Issue 6, pp. 800-802 (2009)
http://dx.doi.org/10.1364/OL.34.000800


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Abstract

The C O 2 laser-based agile tuner lidar for atmospheric sensing has been used to profile the volcanic plume of Mount Etna during its most recent eruption. Owing to the transmitted wavelength, this system is practically insensitive to air molecules while it detects aerosol loads, and thus the path attenuation of the laser beam is strongly affected by volcanic particulate. Vertical profiles of extinction coefficient were retrieved up to an altitude above ground level of 5000 m . The observed extinction coefficient ranges from 10 5 to 5 × 10 4 m 1 . The lidar was able to accurately track the spatiotemporal evolution of the volcanic plume thanks to a spatial resolution of 15 m and a temporal resolution of 1 min .

© 2009 Optical Society of America

OCIS Codes
(010.1100) Atmospheric and oceanic optics : Aerosol detection
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(280.3640) Remote sensing and sensors : Lidar
(280.1350) Remote sensing and sensors : Backscattering

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: November 20, 2008
Revised Manuscript: January 19, 2009
Manuscript Accepted: January 27, 2009
Published: March 11, 2009

Citation
Luca Fiorani, Francesco Colao, and Antonio Palucci, "Measurement of Mount Etna plume by CO2-laser-based lidar," Opt. Lett. 34, 800-802 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-6-800


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