Equipment

Ultra-short pulse laser

Ultra-short pulse laser micromachining system
© Fraunhofer IWS/Jürgen Jeibmann
Ultra-short pulse laser micromachining system
  • UKP laser systems with three wavelengths each
  • Technical data:
    • Variable pulse duration from 500 fs to approx. 20 ps
    • Wavelengths between 343 nm and 1064 nm
    • Nominal power up to 300 W
    • Pulse frequencies: single pulse up to 10 MHz
    • Burst mode for generating pulse trains
  • Integrated in high-precision 5-axis processing station with highly dynamic beam deflection by means of scanner (processing of flat, cylindrical and three-dimensional components)
  • An integrable vacuum chamber enables component processing under vacuum or defined process gas atmosphere.

AI testbench

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© Fraunhofer IWS

  • Predictive modelling for laser precision manufacturing: Combination of micro material processing with artificial intelligence and machine learning.
  • Technical data:
    • One measurement and two machining platforms, connected by a precision axis system.
    • Processing stages: polygon scanner, flexible beam former, 3D scan system and DLIP module for laser interference texturing
    • Beam sources: high-power ultrashort pulse laser (P higher than 300 W, tp = 1.6 ps, Ep = 3 mJ) and a short-pulse fiber laser (P higher than 200 W, variable pulse duration and shape)

Short-pulse solid-state laser

  • Q-switched solid-state lasers of different wavelengths and output powers
  • Technical data:
    • Pulse durations between approx. 5 ns and approx. 2000 ns
    • Wavelengths approx. 355 nm, 532 nm and 1064 nm
    • Rated power up to 200 W
    • Pulse frequencies: Single pulse up to 500 kHz
  • Integrated in high-precision multi-axis processing stations with highly dynamic beam deflection by means of scanner (processing of flat, cylindrical components)

Pulsed CO2 laser

Freilegen von Glasfasern in Glasfaser-verstärktem Thermoplast mittels CO2 Laser
© Fraunhofer IWS
Freilegen von Glasfasern in Glasfaser-verstärktem Thermoplast mittels CO2 Laser
  • Sealed-off CO2 laser system with highly dynamic beam deflection by means of scanner
  • Technical data:
    • Variable pulse duration in 10 - 400 µs
    • Wavelength 10600 nm
    • Nominal power 250 W
    • Pulse frequencies: Single pulse - 65 kHz
    • Pulse energy up to approx. 360 mJ

CW fiber lasers

  • Modulable cw fiber lasers integrated in multi-axis processing system can be coupled with scanner and fixed optics (processing of flat, cylindrical components)
  • Technical data:
    • Wavelength approx. 1070 nm
    • Nominal power up to 100 W
    • Cw or modulated: single pulse - 80 kHz
    • Minimum pulse duration 1 µs

High-speed camera

Remote laser cutting of aluminum @ 10 m/s captured at 50,000 images per second
© Fraunhofer IWS
Remote laser cutting of aluminum @ 10 m/s captured at 50,000 images per second