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Micromachining of metals with ultra-short Ti-Sapphire lasers: Prediction and optimization of the processing time

David Bruneel 1 Eric Audouard 1 N. Huot 1 Harzic Ronan Le 2 König Karsten 3
1 LHC - Laboratoire Hubert Curien [Saint Etienne]
2 Fraunhofer IBMT - Fraunhofer Institute for Biomedical Engineering [Sulzbach]
3 Faculty of physics and mechatronics
Abstract : We investigate processing times of ultrafast laser machining in the case of metals (copper and stainless steel). At a fluence of 2.5 J/cm2, measurements of processing times are in good agreement with calculations based on the ablation rates. We study the influence of laser repetition rates for 1, 5, 10 and 15 kHz. A linear reduction of the processing time can be expected with an increase of the repetition rate.
Keywords : Ultrafast laser processing Laser processing time Ablation rates Metals processing
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https://hal-ujm.archives-ouvertes.fr/ujm-00553644
Contributor : David Bruneel Connect in order to contact the contributor
Submitted on : Friday, January 7, 2011 - 5:13:43 PM
Last modification on : Tuesday, October 19, 2021 - 12:49:44 PM

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  • HAL Id : ujm-00553644, version 1

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David Bruneel, Eric Audouard, N. Huot, Harzic Ronan Le, König Karsten. Micromachining of metals with ultra-short Ti-Sapphire lasers: Prediction and optimization of the processing time. Optics and Lasers in Engineering, Elsevier, 2010, 48, pp.267-271. ⟨ujm-00553644⟩

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