30 November 1999 Range-resolved frequency-agile CO2 lidar measurements of smokestack vapor effluents
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Abstract
Range-resolved lidar measurements of chemical vapor output from a smokestack were conducted using a moderate-power (100 millijoules per pulse) frequency-agile CO2 differential absorption lidar (DIAL) system. A 70-foot non-industrial smokestack, erected for the purpose of studying effluent emissions, was used in the experiment. These measurements were conducted for the purpose of obtaining real data to support development of advanced chemical and biological (CB) range- resolved vapor detection algorithms. Plume transmission measurements were made using natural atmospheric backscatter from points at the mouth of the stack and several positions downwind. Controlled releases of triethyl-phosphate (TEP), dimethyl-methylphosphonate (DMMP), and sulfur-hexaflouride (SF6) were performed. Test methodology and experimental results are presented. Effective application of ground-based lidar to the monitoring of smokestack effluents, without the use of fixed targets, is discussed.
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Francis M. D'Amico, Richard G. Vanderbeek, Russell E. Warren, "Range-resolved frequency-agile CO2 lidar measurements of smokestack vapor effluents", Proc. SPIE 3855, Air Monitoring and Detection of Chemical and Biological Agents II, (30 November 1999); doi: 10.1117/12.371272; https://doi.org/10.1117/12.371272
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