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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 33 — Nov. 20, 1999
  • pp: 6808–6817

Description and evaluation of a tropospheric ozone lidar implemented on an existing lidar in the southern subtropics

Jean-Luc Baray, Jean Leveau, Jacques Porteneuve, Gérard Ancellet, Philippe Keckhut, Françoise Posny, and Serge Baldy  »View Author Affiliations


Applied Optics, Vol. 38, Issue 33, pp. 6808-6817 (1999)
http://dx.doi.org/10.1364/AO.38.006808


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Abstract

Rayleigh–Mie lidar measurements of stratospheric temperature and aerosol profiles have been carried out at Reunion Island (southern tropics) since 1993. Since June 1998, an operational extension of the system is permitting additional measurements of tropospheric ozone to be made by differential absorption lidar. The emission wavelengths (289 and 316 nm) are obtained by stimulated Raman shifting of the fourth harmonic of a Nd:YAG laser in a high-pressure deuterium cell. A mosaic of four parabolic mirrors collects the backscattered signal, and the transmission is processed by the multiple fiber collector method. The altitude range of ozone profiles obtained with this system is 3–17 km. Technical details of this lidar system working in the southern tropics, comparisons of ozone lidar profiles with radiosondes, and scientific perspectives are presented. The significant lack of tropospheric ozone measurements in the tropical and equatorial regions, the particular scientific interest in these regions, and the altitude range of the ozone measurements to 16–17 km make this lidar supplement useful and its adaptation technically conceivable at many Rayleigh–Mie lidar stations.

© 1999 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.3640) Atmospheric and oceanic optics : Lidar
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar

History
Original Manuscript: March 1, 1999
Revised Manuscript: August 2, 1999
Published: November 20, 1999

Citation
Jean-Luc Baray, Jean Leveau, Jacques Porteneuve, Gérard Ancellet, Philippe Keckhut, Françoise Posny, and Serge Baldy, "Description and evaluation of a tropospheric ozone lidar implemented on an existing lidar in the southern subtropics," Appl. Opt. 38, 6808-6817 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-33-6808

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