Publications about material processing with different lasers with different pulse lengths have shown that long pulses have higher processing speeds. To study the influence of only the pulse length we use a technique of slicing pulses with different pulse lengths out of a long pulse. In this way pulses between 5 and 150 ns length are created out of a 175 ns pulse of a XeCl laser. The pulse length is the only varied beam parameter. This paper shows the results of hole drilling experiments in 125 µm aluminium foil with pulses of 10 and 100 ns length. The influence of the pulse length on material processing speed is discussed in terms of equal energy and equal power density for the different pulse lengths. In both cases more material is removed by using long pulses.
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ICALEO 2002: 21st International Congress on Laser Materials Processing and Laser Microfabrication
October 14–17, 2002
Scottsdale, Arizona, USA
ISBN:
978-0-912035-72-7
PROCEEDINGS PAPER
High speed drilling of metals with a long pulse XeCl excimer laser
Aart Schoonderbeek;
Aart Schoonderbeek
Nederlands Centrum voor Laser Research (NCLR) B.V.
Enschede, The Netherlands
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Cornelis A. Biesheuvel;
Cornelis A. Biesheuvel
Nederlands Centrum voor Laser Research (NCLR) B.V.
Enschede, The Netherlands
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Ramon M. Hofstra;
Ramon M. Hofstra
Nederlands Centrum voor Laser Research (NCLR) B.V.
Enschede, The Netherlands
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Klaus-J. Boller;
Klaus-J. Boller
Nederlands Centrum voor Laser Research (NCLR) B.V.
Enschede, The Netherlands
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Johan Meijer
Johan Meijer
Nederlands Centrum voor Laser Research (NCLR) B.V.
Enschede, The Netherlands
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Published Online:
October 01 2002
Citation
Aart Schoonderbeek, Cornelis A. Biesheuvel, Ramon M. Hofstra, Klaus-J. Boller, Johan Meijer; October 14–17, 2002. "High speed drilling of metals with a long pulse XeCl excimer laser." Proceedings of the ICALEO 2002: 21st International Congress on Laser Materials Processing and Laser Microfabrication. ICALEO 2002: 21st International Congress on Laser Materials Processing and Laser Microfabrication. Scottsdale, Arizona, USA. (pp. 115127). ASME. https://doi.org/10.2351/1.5065583
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