A multiple-wavelength self-terminating strontium vapor laser for remote gas analysis of the atmosphere
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The feasibility of remote sensing of gas components of the atmosphere by a differential absorption lidar technique using a multiple-wavelength self-terminating SrI and SrII vapor laser has been determined. Development and construction of a sealed-off strontium vapor laser for remote sensing of the atmosphere is reported. This is an outgrowth of broad studies on laser designs, pumping and operating conditions, etc. Informative strontium laser wavelengths to be used for sensing trace gas species have been identified, and laser attenuation by gas components of the atmosphere has been measured. Test experiments have been performed on lidar sensing of water vapor in boundary atmospheric layers.
Keywordsatmosphere laser remote sensing DIAL technique gas analysis
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