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1 April 2022 Non-symmetrical beam shaping for high-power laser cutting processes
Matthieu Meunier, Gwenn Pallier, Jannik Lind, Avinash Kumar, Markus Kogel-Hollacher, Pu Jian, Guillaume Labroille
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Proceedings Volume PC11994, High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XI; PC1199402 (2022) https://doi.org/10.1117/12.2614698
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
Laser cutting process is a very broad application requesting a high beam quality. Optimizing the beam shape is a promising solution to the challenge of cutting thicker parts while maintaining a sufficient cutting speed. We describe here a beam shaper compatible with industry standard equipment handling up to 16kW average power delivering an optimized non-symmetric shape. The different shapes are examined by means of online high-speed X-ray images, enabling to reconstruct the cutting front and to calculate the absorbed irradiance on the processed sample. This allows to compare the results with conventionally processed samples.
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Matthieu Meunier, Gwenn Pallier, Jannik Lind, Avinash Kumar, Markus Kogel-Hollacher, Pu Jian, and Guillaume Labroille "Non-symmetrical beam shaping for high-power laser cutting processes", Proc. SPIE PC11994, High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XI, PC1199402 (1 April 2022); https://doi.org/10.1117/12.2614698
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KEYWORDS
Laser cutting
Beam shaping
Laser processing
High power lasers
Metals
Optical fibers
Reflectivity
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