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Proceedings Paper

Detection and reconnaissance of pollutant clouds by CO2 lidar (MIRELA)
Author(s): Philippe Adam; Jean-Louis Duvent; Steven W. Gotoff
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Paper Abstract

To determine the presence of a pollutant cloud int he atmosphere, France and the United States have collaborated on the development of a DIAL and DISC LIDAR. This system called MIRELA, is financed by the DGA and ERDEC. It was developed in cooperation with the CILAS company and uses a frequency agile CO2 laser designed and manufactured by the Hughes Aircraft Company. Before using a LIDAR for the remote detection of atmospheric pollutants, the optical characteristics of the products to be detected must be known. This basic characterization is used to define the parameters of the system and select the detection technologies and algorithms. A simulation with the HITRAN data base provides a set of expected measurements. Comparison with the real results is excellent. The tests were run on realistic clouds. The backscattered signal received from the aerosols at the front of the cloud was detected as well as the return from a target placed beyond the cloud thus a transmission measurements was taken simultaneously with the backscattering measurement. These measurements show that the backscattering signals are characteristic of the cloud and will be used to detect and identify the products.

Paper Details

Date Published: 31 October 1997
PDF: 12 pages
Proc. SPIE 3127, Application of Lidar to Current Atmospheric Topics II, (31 October 1997); doi: 10.1117/12.283909
Show Author Affiliations
Philippe Adam, DGA Ctr. d'Etude du Bouchet (France)
Jean-Louis Duvent, CILAS Co. (France)
Steven W. Gotoff, U.S. Army Edgewood Research, Development, and Engineering Ctr. (United States)


Published in SPIE Proceedings Vol. 3127:
Application of Lidar to Current Atmospheric Topics II
Arthur J. Sedlacek; Kenneth W. Fischer, Editor(s)

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