The Fraunhofer Institute for Applied Optics and Precision Engineering IOF develops innovative optical systems to control light from the generation to the application. Our service range covers the entire photonic process chain from optomechanical and optoelectronic system design to the manufacturing of customized solutions and prototypes.
The institute works in the five business fields of Optical Components and Systems, Precision Engineering Components and Systems, Functional Optical Surfaces and Layers, Photonic Sensors and Measuring Systems and Lasers.
Fiber Technologies for mode instability – free multi KW fiber lasers
Fraunhofer IOF provides R&D along the whole process chain of fiber technologies. Essential elements are fiber fabrication by MCVD (modified chemical vapor deposition) as well as laser tests and applications. The necessity of examining the entire process chain guarantees short information lines. Furthermore, we demonstrated a new record of 4.3 kW output power from a directly diode-pumped fiber amplifier with excellent beam quality and a 90% slope efficiency using fibers produced in-house.
Fused silica GRISM obtained by direct bonding
By uniting a grating with a prism to a GRISM compound, the optical characteristics of diffractive and refractive elements can be combined to improve spectral resolution. We apply hydrophilic direct bonding for joining the corresponding glass elements. The individual parts are manufactured separately using standard mask-lithography equipment and subsequently united, to generate stiff and durable bonds of vanishing thickness, high strength and excellent transmission for applications in space.
3D CGH for display applications
Fraunhofer IOF demonstrates a full color Computer Generated Hologram (CGH) which shows a virtual 3D scene of a planet. The optical concept is based on non-absorptive diffractive microstructures which tailor the angular spectrum of the illumination light with high efficiency. In combination with a RGB-Laser source, this enables full-color true 3d image generation with high brightness, high resolution and low power consumption. In future this optical concept could be suitable for holographic TV.
Fraunhofer IOF presents a 3D scanner based on near-infrared (NIR) pattern projection. It is used to three-dimensionally measure people’s poses, gestures, or facial expressions with high accuracy and high resolution. Its core is a specially developed projector allowing a sequence of patterns to be projected at high speed in the NIR spectral range. Thus, disturbing glare effects are avoided for the moving persons to be measured. The 3D point clouds are obtained and displayed as real-time 3D video.
Fraunhofer Institute for Applied Optics and Precision Engineering IOF
Phone: +49 3641 807-0
Fax: +49 3641 807-600
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