Simulation-based calibration-free laser-induced breakdown spectroscopy using gradient optimization

C. H. Egerland

doi:10.1016/j.sab.2026.107635

Simulation-based calibration-free laser-induced breakdown spectroscopy using gradient optimization

2026-09-05

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DOI：10.1016/j.sab.2026.107635

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Abstract

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• LIBS spectra fitting is accelerated when including gradients via autodifferentiation. • Multiple optimizers are tested with L-BFGS being the fastest. • Convergence and accuracy are tested with empirical diagnostics.

Keywords:

LIBS

Optimization

Machine learning

Simulation-based calibration-free laser-induced breakdown spectroscopy using gradient optimization

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