MULTIDIAL lidar systems

M. Douard; Patrick Rambaldi; Brigitte Vezin; Jean-Pierre Wolf; Matthies Ulbricht

doi:10.1117/12.221080

20 September 1995 MULTIDIAL lidar systems

M. Douard, Patrick Rambaldi, Brigitte Vezin, Jean-Pierre Wolf, Matthies Ulbricht

Proceedings Volume 2506, Air Pollution and Visibility Measurements; (1995) https://doi.org/10.1117/12.221080
Event: European Symposium on Optics for Environmental and Public Safety, 1995, Munich, Germany

Abstract

We developed a new concept for lidar measurements: multispectral differential absorption. Instead of comparing the backscattered light at one absorbed and one reference wavelengths (DIAL), a broadband laser is sent into the atmosphere and the returned signal is spectrally resolved on the receiver side (MULTIDIAL). Potential advantages are thoroughly reviewed. First, experiments combining lidar with a Fourier transform spectrometer are presented. Broadband nontracking OPOs are being built for this application in the infrared to detect VOCs. This idea was also applied to the UV range. A tunable (280-300 nm) broadband Ce:LiSAF laser has been developed for this purpose. The detection is performed by a gated amplified CCD-OMA.

Citation Download Citation

M. Douard, Patrick Rambaldi, Brigitte Vezin, Jean-Pierre Wolf, and Matthies Ulbricht "MULTIDIAL lidar systems", Proc. SPIE 2506, Air Pollution and Visibility Measurements, (20 September 1995); https://doi.org/10.1117/12.221080

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