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Proceedings Paper

Pulse shaping for microcutting applications of metals with fiber lasers
Author(s): Klaus F. Kleine; Kenneth G. Watkins
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Paper Abstract

High power single mode fiber lasers are an excellent tool for micro cutting applications. In order to manage the heat input into the material most micro cutting applications require pulsed operation of the laser. Temporal pulse shaping is a proven and enabling technology for many laser welding applications with flash lamp pumped lasers where typical pulse lengths are in the order of 0.1 to 10 ms. The excellent controllability of diode pumped fiber lasers enables pulse shaping during the cutting process with laser pulse length typically less then 0.1 ms. For laser micro cutting applications a small kerf width with small HAZ and good surface finish define the quality of the process. This paper shows the influence of the laser pulse shape on the cutting quality in stainless steel with diode pumped fiber lasers.

Paper Details

Date Published: 15 July 2004
PDF: 8 pages
Proc. SPIE 5339, Photon Processing in Microelectronics and Photonics III, (15 July 2004); doi: 10.1117/12.541435
Show Author Affiliations
Klaus F. Kleine, Univ. of Liverpool (United Kingdom)
Kenneth G. Watkins, Univ. of Liverpool (United Kingdom)


Published in SPIE Proceedings Vol. 5339:
Photon Processing in Microelectronics and Photonics III
Jan J. Dubowski; Peter R. Herman; Friedrich G. Bachmann; Willem Hoving; Jim Fieret; David B. Geohegan; Frank Träger; Kunihiko Washio; Alberto Pique; Xianfan Xu; Tatsuo Okada, Editor(s)

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