Influence of energy and repetition rate of the femtosecond laser pulses on the spectral and temporal characteristics of plasma in laser induced breakdown spectroscopy of aqueous solutions

Yu. S. Biryukova; S. S. Golik; A. A. Ilyin; M. Yu. Babiy; V. V. Lisitsa; T. M. Agapova

doi:10.1117/12.2249402

29 November 2016 Influence of energy and repetition rate of the femtosecond laser pulses on the spectral and temporal characteristics of plasma in laser induced breakdown spectroscopy of aqueous solutions

Yu. S. Biryukova, S. S. Golik, A. A. Ilyin, M. Yu. Babiy, V. V. Lisitsa, T. M. Agapova

Author Affiliations +

Proceedings Volume 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 100352E (2016) https://doi.org/10.1117/12.2249402
Event: XXII International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2016, Tomsk, Russian Federation

Abstract

Experimentally determined the influence of energy and pulse repetition rate of the femtosecond Ti: sapphire laser on the intensity of the spectral lines in the optical breakdown on the surface of an aqueous solution of CaCl₂ and aqueous solutions of iron. The time dependence of the intensity of the continuous and line spectra of the plasma was obtained from the laser pulse energy. It is shown that by increasing the laser pulse repetition frequency from 20 Hz to 1000 Hz is observed up to 45% reduction of the emission line intensity Ca II (393.3 nm).

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Yu. S. Biryukova, S. S. Golik, A. A. Ilyin, M. Yu. Babiy, V. V. Lisitsa, and T. M. Agapova "Influence of energy and repetition rate of the femtosecond laser pulses on the spectral and temporal characteristics of plasma in laser induced breakdown spectroscopy of aqueous solutions", Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 100352E (29 November 2016); https://doi.org/10.1117/12.2249402

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