Comparison of ns versus ps pulses: the image shows a hole machined with a ns-laser (left side) and a ps-laser (right side); the ns-pulses cause HAZ and burrs due to the underlying heating process, while the ps-pulses produce a pristine edge quality, with no HAZ and no burrs.

  • Tungsten foil
  • Nitinol tubing
  • ns-laser and a ps-laser
  • Ps-laser system for micromachining