20 May 2015 Monitoring radioactive contamination by hyperspectral lidar
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Abstract
There are already significant amounts of hazardous radioactive substances in the world. It, potentially, leads to a major damage and contamination of large areas. Laser sensing can serve as a highly effective method of searching and monitoring of radioactive contamination. We developed a laser system to detect accidental leakage of radioactive materials. Methods of fluorescence spectroscopy and Raman spectroscopy allow to detect a concentration of uranyl U235O2 and U238O2 at 500 ppb, and Sr90 and Cs137 at the level of 1 ppm at 100 m distance from the object.
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A. S. Grishkanich, A. S. Grishkanich, V. G. Bespalov, V. G. Bespalov, S. K. Vasiev, S. K. Vasiev, A. S. Gusarov, A. S. Gusarov, S. V. Kascheev, S. V. Kascheev, V. V. Elizarov, V. V. Elizarov, A. P. Zhevlakov, A. P. Zhevlakov, } "Monitoring radioactive contamination by hyperspectral lidar", Proc. SPIE 9486, Advanced Environmental, Chemical, and Biological Sensing Technologies XII, 94860X (20 May 2015); doi: 10.1117/12.2177835; https://doi.org/10.1117/12.2177835
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