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Proceedings Paper

Continuous and pulsed laser high power beam combiner for additive manufacturing applications
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Paper Abstract

Laser-based additive manufacturing (AM) from metal powders is emerging as the new industrial revolution, although current fabrication approaches still require long mechanical post-processing to improve the final surface quality and meet the design tolerances. To overcome this limitation, the next generation machines are expected to complement laser AM with laser ablation (LA) to implement surface finishing and micro texturing already during the device growth process. With this aim, a new beam combiner to allow the real-time interchange of additive and subtractive processes using the same scanner head has been designed. Extensive tests have been carried out using a 6 kW continuous-wave laser similar to that used for the metal powder fusion and a nanosecond 100W pulsed source similar to that used for laser ablation.

Paper Details

Date Published: 20 February 2018
PDF: 7 pages
Proc. SPIE 10513, Components and Packaging for Laser Systems IV, 1051312 (20 February 2018); doi: 10.1117/12.2290291
Show Author Affiliations
Marta Bassignana, OPI Photonics s.r.l. (Italy)
Alessio Califano, OPI Photonics s.r.l. (Italy)
Francesco Pescarmona, OPI Photonics s.r.l. (Italy)
Andrea Braglia, OPI Photonics s.r.l. (Italy)
Guido Perrone, Politecnico di Torino (Italy)

Published in SPIE Proceedings Vol. 10513:
Components and Packaging for Laser Systems IV
Alexei L. Glebov; Paul O. Leisher, Editor(s)

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