Technical infrastructure

The technical infrastructure of the institute includes a mechanical and electronic workshop, a metallurgic laboratory, a photographic laboratory, a laboratory for optical metrology as well as a department for design and construction. The net floor area at the Fraunhofer Institute for Laser Technology ILT amounts to 19,500 m².



The equipment of the Fraunhofer Institute for Laser Technology ILT is permanently being adapted to the state-of-the-art. At present, essential components are:  

© Fraunhofer ILT, Aachen.

Beam Sources

  • CO2 lasers up to 12 kW
  • Disk lasers up to 12 kW
  • Disk lasers with green wavelength up to 2 kW CW and QCW
  • Fiber lasers with 1.5 μm and 2 μm wavelength up to 200 W CW
  • Experimental lasers with 2 μm / 3 μm wavelength (ns, ps)
  • Experimental LIDAR lasers with pulse energies up to 500 mJ
  • Single- and multimode fiber lasers up to 6 k
  • Diode laser systems up to 12 kW
  • Single- and multimode fiber lasers up to 6 kW
  • Diode laser systems up to 12 kW
  • Multi kW ultrashort pulse lasers
  • Frequency-multiplied laser in visible spectral range
  • Excimer lasers amongst others with optical line systems
  • Broadband tunable lasers
  • MIR lasers (ps, ns) with average power > 10 W
  • Laser platform for satellite-based LIDAR systems


Plants and Processing Systems

  • Three-axis processing stations
  • Five-axis gantry systems
  • Robot systems including six-axis articutated robot
  • Tripod system for the extreme high speed laser material deposition EHLA
  • Commercial engineering and laboratory systems for laser powder bed fusion (LPBF)
  • Direct-writing and laser-PVD stations
  • Various powder and wire feed systems for additive manufacturing
  • Printer for sol-gel-hybrid polymers and nano- to microscale dispersions
© Fraunhofer ILT, Aachen.

Special Laboratories

  • ISO 5 and ISO 7 clean rooms for assembly and characterization of lasers and laser optics
  • Clean rooms for assembly of diode and solid state lasers as well as laser optics
  • Life science laboratory with S1 classification
  • Battery Lab
  • Hydrogen Lab
  • Application laboratories for USP applications


© Fraunhofer ILT, Aachen.

Measurement and Sensor Technology

  • Devices for process diagnostics
  • Laser spectroscopic systems for the chemical analysis of solid, liquid and gaseous materials
  • Confocal laser scanning microscopy
  • Scanning electron microscope
  • Shack Hartmann sensor to characterize laser beams and optics
  • Measurement interferometer and autocollimator to analyze laser optics
  • Measurement equipment to characterize ultrashort pulse lasers
  • Equipment for vibration tests
  • Climate chambers for thermal tests with continual monitoring of the optical properties
  • Single photon detector (APD) for NIR lasers
  • Systems to characterize powder material
  • Measuremet system for single quantum detection