Remote detection of toxic and radioactive elements in sea water and ice

Liliya K. Chistyakova; Yurii D. Kopytin; Sergei T. Penin; Vladimir A. Chikurov

doi:10.1117/12.298176

30 December 1997 Remote detection of toxic and radioactive elements in sea water and ice

Liliya K. Chistyakova, Yurii D. Kopytin, Sergei T. Penin, Vladimir A. Chikurov

Author Affiliations +

Proceedings Volume 3222, Earth Surface Remote Sensing; (1997) https://doi.org/10.1117/12.298176
Event: Aerospace Remote Sensing '97, 1997, London, United Kingdom

Abstract

The paper describes the results of experimental investigations and instrumental realization of remote method of laser induced breakdown spectroscopy (LIBS) for express diagnostics of highly toxic and radioactive elements in the water. As an example the samples of oxides of non-ferrous metals and uranium are used. The emission spectrum of materials is excited in non-equilibrium plasma of a laser spark. A laser source provides in the radiation focusing range at a wavelength of 10.6 mm the peak radiation density 10⁸ - 5 X 10⁷ W/cm², the pulse duration at half-altitude is 0.3 ms. On the atmospheric experiments the radiation focusing is performed using the Cassegrainian telescope with a large mirror 0.45 m diameter. Statistical data on laser spark initiation have been obtained at distances up to 250 m - - on the solid and liquid targets.

Citation Download Citation

Liliya K. Chistyakova, Yurii D. Kopytin, Sergei T. Penin, and Vladimir A. Chikurov "Remote detection of toxic and radioactive elements in sea water and ice", Proc. SPIE 3222, Earth Surface Remote Sensing, (30 December 1997); https://doi.org/10.1117/12.298176

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