Mr. Niklas Praetzsch Profile

Niklas Praetzsch

at Fraunhofer Institute for Laser Technology ILT

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Author

Publications (3)

Proceedings Article | 13 March 2024 Presentation

Beam shaping with multi-plane light conversion to increase the process speed in laser powder bed fusion

Adeline Orieux, Niklas Praetzsch, Mahmoud Ziat, Gwenn Pallier, Tim Lantzsch, Guillaume Labroille

Proceedings Volume PC12876, PC128760D (2024) https://doi.org/10.1117/12.3004507

KEYWORDS: Beam shaping, Laser welding, Laser processing, Printing, Manufacturing, Fiber lasers, Additive manufacturing, Gaussian beams

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Proceedings Article | 4 March 2022 Presentation + Paper

Evaluation of productivity scaling approaches for laser powder bed fusion of nickel-base alloy 625

Tim Lantzsch, Daniel Heussen, Niklas Praetzsch, Constantin Haefner

Proceedings Volume 11994, 1199405 (2022) https://doi.org/10.1117/12.2611151

KEYWORDS: Laser processing, Fiber lasers, 3D scanning, Laser scanners, Optical testing, Optical scanning systems, Calibration, Collimators, Laser welding, Single mode fibers, 3D printing, Additive manufacturing

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Proceedings Article | 19 November 2021 Presentation + Paper

Detection of contamination of protective windows in Laser Powder Bed Fusion by means of a line scan camera

Niklas Praetzsch, Hermann Sturzebecher, Norbert Pirch, Felix Fischer, Constantin Haefner

Proceedings Volume 11910, 1191015 (2021) https://doi.org/10.1117/12.2598589

KEYWORDS: Contamination, Particles, Line scan cameras, Imaging systems, Metals, Image processing, Laser induced damage, Line scan image sensors, Laser welding, Manufacturing, Additive manufacturing, Laser manufacturing, Laser optics, Silicate glass

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