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GHz femtosecond processing with agile high-power laser

High power and flexible fs lasers in GHz burst mode open new horizons for femtosecond laser processing
  • Eric Audouard EMAIL logo , Guillaume Bonamis , Clemens Hönninger und Eric Mottay
Veröffentlicht/Copyright: 3. September 2021
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Advanced Optical Technologies
Aus der Zeitschrift Advanced Optical Technologies Band 10 Heft 4-5

Abstract

Bursts of GHz repetition rate pulses can significantly improve the ablation efficiency of femtosecond lasers. Depending on the process conditions, thermal mechanisms can be promoted and controlled. GHz ablation therefore combines thermal and non-thermal ablation mechanisms. With an optimal choice of the burst duration, the non-thermal ablation can be highly enhanced by a heating phase due to the first pulses in the burst. The GHz burst mode can be considered as a key function for the “agility” of new high-power lasers.

Keywords: femtosecond laser; femtosecond processing; GHz bursts; temporal pulses shaping
Corresponding author: Eric Audouard, Amplitude Laser Group, 11 Avenue de Canteranne, Cité de la Photonique, 6 allées des Lumières, Bâtiment MEROPA, Pessac, 33600, France, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2021-05-31
Accepted: 2021-08-09
Published Online: 2021-09-03
Published in Print: 2021-11-25

© 2021 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Topical Issue: High-rate Laser Processing; Guest Editors: Jörg Schille and Udo Löschner
  3. Editorial
  4. Ultrashort pulse lasers in high-rate laser micro processing – Quo vadis?
  5. Views
  6. The challenges of productive materials processing with ultrafast lasers
  7. Review Articles
  8. High-power modelocked thin-disk oscillators as potential technology for high-rate material processing
  9. GHz femtosecond processing with agile high-power laser
  10. Research Articles
  11. High-power ultrafast fiber lasers for materials processing
  12. High-power ultrafast thin-disk multipass amplifiers for efficient laser-based manufacturing
  13. Accelerating laser processes with a smart two-dimensional polygon mirror scanner for ultra-fast beam deflection
  14. Pulse-on-demand laser operation from nanosecond to femtosecond pulses and its application for high-speed processing
  15. Multi beam microprocessing for printing and embossing applications with high power ultrashort pulsed lasers
  16. High-rate laser processing with ultrashort laser pulses by combination of diffractive elements with synchronized galvo scanning
https://doi.org/10.1515/aot-2021-0029
Schlagwörter für diesen Artikel
femtosecond laser; femtosecond processing; GHz bursts; temporal pulses shaping

Artikel in diesem Heft

  1. Frontmatter
  2. Topical Issue: High-rate Laser Processing; Guest Editors: Jörg Schille and Udo Löschner
  3. Editorial
  4. Ultrashort pulse lasers in high-rate laser micro processing – Quo vadis?
  5. Views
  6. The challenges of productive materials processing with ultrafast lasers
  7. Review Articles
  8. High-power modelocked thin-disk oscillators as potential technology for high-rate material processing
  9. GHz femtosecond processing with agile high-power laser
  10. Research Articles
  11. High-power ultrafast fiber lasers for materials processing
  12. High-power ultrafast thin-disk multipass amplifiers for efficient laser-based manufacturing
  13. Accelerating laser processes with a smart two-dimensional polygon mirror scanner for ultra-fast beam deflection
  14. Pulse-on-demand laser operation from nanosecond to femtosecond pulses and its application for high-speed processing
  15. Multi beam microprocessing for printing and embossing applications with high power ultrashort pulsed lasers
  16. High-rate laser processing with ultrashort laser pulses by combination of diffractive elements with synchronized galvo scanning
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