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Proceedings Paper

Influence of the laser repetition rate on the limits of detection in the femtosecond LIBS of the water solutions
Author(s): Yu. S. Tolstonogova; S. S. Golik; A. A. Iliyn; M. Yu. Babiy; A. Yu. Mayor; D. Yu. Proschenko; M. S. Sporyshev
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Paper Abstract

The limit of detection for Mg, Mn, Sr, B was experimentally investigated depending on the laser pulse repetition rate in the time resolved femtosecond LIBS. Optical breakdown on the surface of aqueous 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 best limit of detection was obtained for the 166 Hz laser repetition rate and for the following elements Mg I (285.2 nm), Mn I (403 nm, 403.3 nm), B I (283.2 nm), Sr I (460.7 nm) are 0.058, 0.025, 1.13, 4.69-3 mg/kg respectively.

Paper Details

Date Published: 4 January 2019
PDF: 4 pages
Proc. SPIE 11024, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics 2017, 110240I (4 January 2019); doi: 10.1117/12.2315190
Show Author Affiliations
Yu. S. Tolstonogova, Far Eastern Federal Univ. (Russian Federation)
Institute for Automation and Control Processes (Russian Federation)
S. S. Golik, Far Eastern Federal Univ. (Russian Federation)
Institute for Automation and Control Processes (Russian Federation)
A. A. Iliyn, Far Eastern Federal Univ. (Russian Federation)
Institute for Automation and Control Processes (Russian Federation)
M. Yu. Babiy, Far Eastern Federal Univ. (Russian Federation)
A. Yu. Mayor, Far Eastern Federal Univ. (Russian Federation)
Institute for Automation and Control Processes (Russian Federation)
D. Yu. Proschenko, Far Eastern Federal Univ. (Russian Federation)
Institute for Automation and Control Processes (Russian Federation)
M. S. Sporyshev, Far Eastern Federal Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 11024:
Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics 2017
Yuri N. Kulchin; Roman V. Romashko; Jyh-Chiang Jiang, Editor(s)

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