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Comparison of the “Core” and the “Tail” Spectra of a Laser Plasma Plume for theAnalysis of Low-Alloy Steel Composition Using Partial Least Squares Regression
Abstract
The paper compares the results of low-alloy steel analysis using classical calibration and partial least squares regression when recording spectra from the “core” and the “tail” of a laser plasma plume. Plasma excitation was performed using an erbium glass laser with a passive shutter. The spectra were recorded using a compact low-resolution (0.5 nm) spectrometer. To improve the quality of the spectra, preliminary processing was used, associated with the alignment of wavelengths and intensities of control sections of the spectrum.
About the Authors
V. V. Kiris
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
K. Yu. Catsalap
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
M. V. Belkov
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
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Review
For citations:
Kiris V.V., Catsalap K.Yu., Belkov M.V. Comparison of the “Core” and the “Tail” Spectra of a Laser Plasma Plume for theAnalysis of Low-Alloy Steel Composition Using Partial Least Squares Regression. Zhurnal Prikladnoii Spektroskopii. 2025;92(2):161-169. (In Russ.)
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