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High-power modelocked thin-disk oscillators as potential technology for high-rate material processing.

Yicheng Wang1, Sergei Tomilov1, Clara J Saraceno1

  • 1Photonics and Ultrafast Laser Science, Ruhr Universität Bochum, Universitätsstrasse 150, 44801 Bochum, Germany.

Advanced Optical Technologies
|July 26, 2022
PubMed
Summary
This summary is machine-generated.

High average power femtosecond lasers now enable industrial-scale precision material processing. This review highlights directly modelocked multi-MHz thin-disk oscillators for advanced high-speed applications.

Keywords:
fast material processinghigh-power laserultrafast laser

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Area of Science:

  • Laser Technology
  • Materials Science
  • Manufacturing Engineering

Background:

  • Femtosecond lasers have advanced significantly, reaching kilowatt-class industrial power levels.
  • High average power ultrashort pulse lasers offer high precision and processing rates for materials.
  • Directly modelocked multi-MHz repetition frequency high-power thin-disk oscillators show great potential.

Purpose of the Study:

  • To review the state-of-the-art in high-average power femtosecond laser technology.
  • To focus on directly modelocked multi-MHz thin-disk oscillators for material processing.
  • To discuss future directions and challenges for this technology in high-speed applications.

Main Methods:

  • Review of recent advancements in high-average power femtosecond laser systems.
  • Focus on the capabilities of directly modelocked multi-MHz thin-disk oscillators.
  • Analysis of their suitability for precise high-speed material processing.

Main Results:

  • Kilowatt-class femtosecond laser systems are now mature industrial tools.
  • These lasers enable unprecedented precision and speed in material processing.
  • Thin-disk oscillators at multi-MHz repetition rates are a promising high-power solution.

Conclusions:

  • High-average power femtosecond lasers are transforming material processing.
  • Directly modelocked multi-MHz thin-disk oscillators represent a key technology for future advancements.
  • Further research is needed to fully exploit their potential in industrial applications.