MATEC Web of Conferences
Volume 8, 2013Progress in Ultrafast Laser Modifications of Materials
|Number of page(s)||2|
|Section||Process characterization and some aspects of femtosecond laser direct writing|
|Published online||18 November 2013|
Investigation on repetition rate and pulse duration influences on ablation efficiency of metals using a high average power Yb-doped ultrafast laser
1 Univ. Bordeaux, CNRS, CEA, Celia umr5107, F-33405 Talence, France
2 Alphanov, F-33405 Talence, France
3 Amplitude Systemes, F-33600 PESSAC, France
4 Institut d’Optique Graduate School, F-91403 Orsay, France
Ultrafast lasers provide an outstanding processing quality but their main drawback is the low removal rate per pulse compared to longer pulses. This limitation could be overcome by increasing both average power and repetition rate. In this paper, we report on the influence of high repetition rate and pulse duration on both ablation efficiency and processing quality on metals. All trials have been performed with a single tunable ultrafast laser (350 fs to 10ps).
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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