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<p>Results of low-alloy steel analysis using classical calibration and partial least squares regression when recording spectra from the core and tail of a laser plasma plume were compared. Plasma was excited using an erbium glass laser with a passive shutter. Spectra were recorded using a compact low-resolution (0.5 nm) spectrometer. Preliminary processing associated with the alignment of wavelengths and intensities of control sections of the spectrum was used to improve the quality of the spectra.</p>

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Comparison of the Core and Tail Spectra of a Laser Plasma Plume for the Analysis of a Low-Alloy Steel Composition Using Partial Least Squares Regression

  • 期刊论文

  • 发表日期：

    2025年5月29日

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  • V. V. Kiris,
  • K. Yu. Catsalap,
  • M. V. Belkov

摘要

Results of low-alloy steel analysis using classical calibration and partial least squares regression when recording spectra from the core and tail of a laser plasma plume were compared. Plasma was excited using an erbium glass laser with a passive shutter. Spectra were recorded using a compact low-resolution (0.5 nm) spectrometer. Preliminary processing associated with the alignment of wavelengths and intensities of control sections of the spectrum was used to improve the quality of the spectra.