With more than 415 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 67 institutes, nearly 24,000 employees and an annual research budget of more than 2.1 billion euros.
The technology field “Lasers and Optics” focuses on developing innovative laser beam sources and high quality optical components and systems. Fraunhofer's team of experienced laser engineers builds 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. 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.
Fiber coupled high power diode laser 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.
Platform for spaceborne lasers (FULAS)
With the FULAS technology development project, led by Airbus DS GmbH (ESA funded, DLR support) a platform for lasers in spaceborne LIDAR instruments has been developed in cooperative engineering between Fraunhofer and industry. This enables now a wide range of missions like for atmospheric monitoring (trace gases, aerosols, wind speed). Its mounting technology is based on low outgassing solder interfaces which allow for high mechanical and thermal stability demonstrated in thermal vacuum tests.
Rugged OPO demonstrator model
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 fulfil the challenging stability aspects of a space mission.
Fraunhofer Institute for Laser Technology ILT
Phone: +49 241 8906-0
Fax: +49 241 8906-121
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