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9 October 2018 All-fibered coherent-differential absorption lidar at 1.645 μm for simultaneous methane and wind-speed measurements
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Abstract
Here we report on the development of a new coherent-DIAL system as well as first quantitative measurements of simultaneous gas mixing ratio and radial wind-speed with the instrument. Integrated measurement of atmospheric methane (CH4) mixing ratio between the instrument and a hard-target located at 2:25 km has been conducted with a relative precision of nearly 20% in 17 s. The measurement procedure also gives information on integrated water vapor (H2O) mixing ratio.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Simon Le Méhauté, Philippe Benoit, Nicolas Cézard, Didier Goular, Christophe Planchat, Matthieu Valla, Agnès Dolfi-Bouteyre, Xavier Watremez, and Hervé Delbarre "All-fibered coherent-differential absorption lidar at 1.645 μm for simultaneous methane and wind-speed measurements", Proc. SPIE 10791, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing XIV, 1079103 (9 October 2018); https://doi.org/10.1117/12.2325554
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