Artifact suppression and improved signal-to-noise ratio by phase-locked multiplexed coherent imaging

Laser additive manufacturing (AM) promises direct metal 3D printing, but is held back by defects and process instabilities, giving rise to a need for in situ process monitoring. Inline coherent imaging (ICI) has proven effective for in situ, direct measurements of vapor depression depth and shape in...

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Veröffentlicht in:	Optics letters 2024-02, Vol.49 (3), p.738-741
Hauptverfasser:	Giamberardino, Michael, Krause, Tessa J H, Fraser, James M
Format:	Artikel
Sprache:	eng
Schlagworte:	Laser beam welding Multiplexing Signal to noise ratio Three dimensional printing
Online-Zugang:	Volltext
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