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Peer-reviewedCC BY 4.0Optics Express

Texturing metal surface with MHz ultra-short laser pulses

  • Fotis Fraggelakis
  • Girolamo Mincuzzi
  • John Lopez
  • Inka Manek-Hönninger
  • Rainer Kling
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Abstract

We show, for the first time to our knowledge, the role the heat accumulation plays on the evolution of ultra-short pulse laser-induced surface structures morphology when varying fluence, the number of scans and the repetition rate from 100 kHz up to 2 MHz. We demonstrate how to tailor the size of micro-spikes from nearly ten microns to several tens of microns by a systematic variation of both fluence and overlap. We believe our results will contribute to an in deep understanding of the mechanisms underlying laser surface structuration at high repetition rates.

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Cite

BibTeXRIS
BibTeX
@article{fraggelakis2026texturing,
  title = {{Texturing metal surface with MHz ultra-short laser pulses}},
  author = {Fotis Fraggelakis and Girolamo Mincuzzi and John Lopez and Inka Manek-Hönninger and Rainer Kling},
  journal = {Optics Express},
  year = {2026},
  month = sep,
  doi = {10.1364/oe.25.018131},
  url = {https://hal.science/hal-05740845v1},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Texturing metal surface with MHz ultra-short laser pulses
AU  - Fotis Fraggelakis
AU  - Girolamo Mincuzzi
AU  - John Lopez
AU  - Inka Manek-Hönninger
AU  - Rainer Kling
PY  - 2026
DA  - 2026/09/07
JO  - Optics Express
DO  - 10.1364/oe.25.018131
UR  - https://hal.science/hal-05740845v1
AB  - We show, for the first time to our knowledge, the role the heat accumulation plays on the evolution of ultra-short pulse laser-induced surface structures morphology when varying fluence, the number of scans and the repetition rate from 100 kHz up to 2 MHz. We demonstrate how to tailor the size of micro-spikes from nearly ten microns to several tens of microns by a systematic variation of both fluence and overlap. We believe our results will contribute to an in deep understanding of the mechanisms underlying laser surface structuration at high repetition rates.
SN  - 1094-4087
ER  -