MPLC-based laser head providing a 800μm diameter annular shape to improve hybrid laser-arc welding of steal up to 16kW

Matthieu Meunier; Aymeric Lucas; David Lemaitre; Nicolas Gaillard; Julien Bayol; Gwenn Pallier; Eric Laurensot; Guillaume Labroille

doi:10.1117/12.2626596

1 April 2022 MPLC-based laser head providing a 800μm diameter annular shape to improve hybrid laser-arc welding of steal up to 16kW

Matthieu Meunier, Aymeric Lucas, David Lemaitre, Nicolas Gaillard, Julien Bayol, Gwenn Pallier, Eric Laurensot, Guillaume Labroille

Author Affiliations +

Proceedings Volume PC11994, High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XI; PC1199403 (2022) https://doi.org/10.1117/12.2626596
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

The development of LBW processes is driven by more complex laser-based welding processes made possible with the development of lasers of higher available power. Nevertheless, most laser-heads are based on refractive optics, limiting the capability to fully use this power. Multi-Plane Light Conversion (MPLC) is a fully reflective technology enabling complex beam shaping through a succession of phase plates. A MPLC-based laser head has been developed providing an annular shape. It presents a less than a 1mm focus shift. LBW as well as HLAW of steal up to 16kW is demonstrated with improved butt-joint configuration gap welds.

Conference Presentation

Citation Download Citation

Matthieu Meunier, Aymeric Lucas, David Lemaitre, Nicolas Gaillard, Julien Bayol, Gwenn Pallier, Eric Laurensot, and Guillaume Labroille "MPLC-based laser head providing a 800μm diameter annular shape to improve hybrid laser-arc welding of steal up to 16kW", Proc. SPIE PC11994, High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XI, PC1199403 (1 April 2022); https://doi.org/10.1117/12.2626596

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