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Fast beam oscillations improve laser cutting of thick materials

: Wetzig, Andreas; Herwig, Patrick; Borkmann, Madlen; Goppold, Cindy; Mahrle, Achim; Leyens, Christoph


PhotonicsViews 17 (2020), No.3, pp.26-31
ISSN: 2626-1294
ISSN: 2626-1308
Journal Article
Fraunhofer IWS ()

We provide here an overview of the capabilities of oscillating beams to improve solid‐state laser fusion cutting of thick‐sheet AISI 304 stainless steel and present results of the so‐called dynamic beam shaping (DBS) technique, which relies on fast and commonly harmonic oscillations of the laser focus at frequencies in the kHz range.