TIME DEPENDENCE MEASUREMENT OF ALLOY EMISSION SPECTRA AT DOUBLE PULSE LASER ABLATION
Abstract
A spectral-kinetic recorder operating in a special time-gating mode has been developed for time-shifted measurement of time-resolved spectra and the kinetics of the spectral line emission in atomic emission analysis. The luminescence kinetics of copper, zinc, tin, and lead spectral lines were recorded in the case of two-pulse laser ablation of samples of pure metals and multicomponent alloys. It was determined that the luminescence kinetics of spectral lines can be approximated by exponential dependences with high accuracy for pure metals, while for multicomponent samples, the exponential decay of the analytical signal occured only at interpulse laser intervals <3 μs.
About the Authors
E. S. Voropay
Belarusian State University
Russian Federation
Russian Federation
K. F. Ermalitskaia
Belarusian State University
Russian Federation
Russian Federation
F. A. Ermalitski
Belarusian State University
Russian Federation
Russian Federation
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Review
For citations:
Voropay E.S., Ermalitskaia K.F., Ermalitski F.A. TIME DEPENDENCE MEASUREMENT OF ALLOY EMISSION SPECTRA AT DOUBLE PULSE LASER ABLATION. Zhurnal Prikladnoii Spektroskopii. 2019;86(2):283-289. (In Russ.)
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