29 September 2017 SRS-lidar for 13C/12C isotops measurements environmental and food
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The possibilities of the Raman method of radiocarbon measurements in the field of gas analysis are investigated. With the help of veneer gas mixtures of carbon monoxide, carbon dioxide-12, carbon dioxide-13, methane, formaldehyde, the micrometric characteristics of Raman lidars were found, which in most cases coincided with the claimed ones. When gas mixtures are supplied, the diluent gas in which differs from air, the broadening of the spectral lines associated with the interactions between the particles, the results, to significant errors in the measured concentration. These effects, which negate the advantages of the measurement method, are investigated in the framework of this paper. The results of determining the coefficients for correcting the readings of gas analyzers with the achievement of inaccuracies from various diluent gases, as well as the data of the prototype Raman lidar.
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Alexsandr Grishkanich, Yan Chubchenko, Valentin Elizarov, Aleksandr Zhevlakov, and Leonid Konopelko "SRS-lidar for 13C/12C isotops measurements environmental and food", Proc. SPIE 10423, Sensors, Systems, and Next-Generation Satellites XXI, 104231S (29 September 2017); doi: 10.1117/12.2280016; https://doi.org/10.1117/12.2280016

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