Investigation of emission lines excitation efficiency in femtosecond plasma generated on the surface of chemical elements water solution

S. S. Golik; A. A. Ilyin; Yu. S. Biryukova; M. Yu. Babiy; D. Yu. Proschenko; A. V. Borovsky

doi:10.1117/12.2288180

30 November 2017 Investigation of emission lines excitation efficiency in femtosecond plasma generated on the surface of chemical elements water solution

S. S. Golik, A. A. Ilyin, Yu. S. Biryukova, M. Yu. Babiy, D. Yu. Proschenko, A. V. Borovsky

Author Affiliations +

Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1046644 (2017) https://doi.org/10.1117/12.2288180
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

Time-resolved laser-induced breakdown spectroscopy (LIBS) has been used as an analytical chemistry technique suitable for water analysis. Optical breakdown on the surface of water solutions was generated by the femtosecond Ti:Sa laser with the following parameters: central wavelength - 800 nm, pulse width - 60 fs, pulse energy - 1 mJ, repetition rate 50 Hz, 166 Hz, 250 Hz, 500 Hz, 1000 Hz. The limit of detection (LOD) for Mg I (285.2 nm), Mn I (403 nm, 403.3 nm), Pb I (283.3 nm), Sr I (460.7 nm) was experimentally investigated depending on the laser pulse repetition rate by the time resolved femtosecond LIBS. The best LODs for Mg I - 0.058 mg/kg, Mn I - 0.025 mg/kg, Pb I - 0.711 mg/kg, Sr I - 4.69^x10^-3 mg/kg water solutions were obtained for 166 Hz repetition rate.

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S. S. Golik, A. A. Ilyin, Yu. S. Biryukova, M. Yu. Babiy, D. Yu. Proschenko, and A. V. Borovsky "Investigation of emission lines excitation efficiency in femtosecond plasma generated on the surface of chemical elements water solution", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1046644 (30 November 2017); https://doi.org/10.1117/12.2288180

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