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Fraunhofer Institute for Laser Technology ILT

Booth number: 4529-27

About us

With nearly 440 employees and more than 19,500 m² net floor space the Fraunhofer Institute for Laser Technology ILT is worldwide one of the most important development and contract research institutes of its specific field. The activities cover a wide range of areas such as the development of new laser beam sources and components, precise laser based metrology, testing technology and industrial laser processes. This includes laser cutting, caving, drilling, welding and soldering as well as surface treatment, micro processing and rapid manufacturing.

Furthermore, the Fraunhofer ILT is engaged in laser plant technology, process control, modelling and simulation as well as in the entire system technology. We offer feasibility studies, process qualification and laser integration in customer specific manufacturing lines. The Fraunhofer ILT is part of the Fraunhofer-Gesellschaft, with 69 institutes, nearly 24,500 employees and an annual research budget of more than 2.1 billion euros.

Products and services

Fraunhofer ILT’s experienced laser and optical engineers build beam sources which have tailor-made spatial, temporal and spectral characteristics and ranging from μW to GW. These sources span a wide range of types: from diode lasers to solid-state lasers, from high power cw lasers to ultrashort pulse lasers and from single frequency systems to broadband tunable lasers.

Whether our customers are laser manufacturers or users, they do not only receive tailor-made prototypes for their individual needs, but also expert consultation to optimize existing systems.

Furthermore, ILT has a great deal of expertise in beam shaping and guiding, packaging of optical high power components and designing optical components. This field also specializes in designing highly efficient free form optics. In general, the lasers and optics developed here can be applied in areas ranging from laser material processing and measurement engineering to illumination applications and medical technology.

Spaceborne optical parametric oscillator

Spaceborne optical parametric oscillator

Within the scope of the French/German Climate Mission MERLIN, a satellite-based LIDAR system will be used to measure the detailed global methane concentration. The transmitter consists of a Q-switched Nd:YAG laser and an optical parametric oscillator, which converts the laser wavelength to a methane absorption line at 1645 nm. Beyond the demonstration of the required output parameters the packaging concept has to fulfill the challenging stability aspects of a space mission.

Fiber-coupled diode module based on dense wavelength-division multiplexing

Fiber-coupled diode module based on dense wavelength-division multiplexing

Dense wavelength division-multiplexing (DWDM) is a well-established technology for brightness and power scaling. In the frame of the EC funded project BRIDLE (grant 314719) a compact module has been developed and set up, delivering 46 W out of a 35 μm NA 0.2 fiber.

Due to the flexibility of the setup, the module can be equipped with both internally and externally stabilized diode lasers.

FULAS – Laser platform for future satellite-based LIDAR systems

FULAS – Laser platform for future satellite-based LIDAR systems

With the FULAS technology development project (ESA funded, DLR supported) a versatile platform for lasers in spaceborne LIDAR instruments has been developed. This enables now a wide range of missions especially for atmospheric research (densities of CO2, CH4, H2O, aerosols or wind speed profiles). Its mounting and adjustment technology is based on stable and low outgassing solder interfaces which allow for high mechanical and thermal stability demonstrated in space relevant thermal vacuum tests.


Fraunhofer Institute for Laser Technology ILT
Steinbachstr. 15
52074 Aachen

Phone: +49 241 8906-0
Fax: +49 241 8906-121

Hans-Dieter Hoffmann
Competence Area Manager Lasers and Laser Optics
Phone: +49 241 8906-0

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Aixtooling GmbH
Booth number: 4529-66