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    • Fraunhofer-Institut für Lasertechnik ILT

    Aachen D-52074

    COMPANY OVERVIEW

    About Fraunhofer-Institut für Lasertechnik ILT

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    Contact

    Steinbachstr 15
    Aachen D-52074
    Germany
    http://www.ilt.fraunhofer.de
    49-241-8906-0
    49-241-8906-121

    More Info on Fraunhofer-Institut für Lasertechnik ILT

    Fraunhofer Institute for Laser Technology ILT is worldwide one of the most important development and contract research institutes of its specific field.

    Articles

    (Photo credit: Fraunhofer ILT, Aachen, Germany)
    Using custom optics, the laser radiates a larger area on the copper foil coated with graphite paste. The interaction between the graphite particles and the light energy generates heat and the liquid evaporates.
    Executive Forum

    Finding efficiencies and improving performance fuel Fraunhofer ILT research efforts

    Peter Fretty
    As startups and global transportation manufacturers continue to explore and make commitments to expand e-mobility, improving batteries ultimately takes center stage.
    (Image credit: Infineon Technologies)
    German chipmaker Infineon Technologies applies several different approaches to develop qubits based on its own chip technologies.
    Commentary

    How do European companies develop quantum technologies?

    Andreas Thoss
    Industrial quantum technology was a big topic at the International Laser Technology Congress AKL ‘22 in Aachen, Germany.
    (Courtesy of Frank Lison, Toptica)
    The booth parties at LASER World of PHOTONICS 2022 were plenty and crowded.
    Commentary

    LASER & World of Quantum 2022

    Andreas Thoss
    Germany’s biggest photonics trade show came back this year with plenty of new technology. Beyond all the fancy quantum programs, there are several surprising trends in areas including...
    (© Fraunhofer ILT, Aachen, Germany/Volker Lannert)
    FIGURE 1. In 1996, Fraunhofer ILT had the process for metallic 3D printing patented; shown is the laser powder-bed fusion (LPBF) exposure process.
    Industrial Laser Solutions

    The age of the laser has only just begun

    Andreas Thoss
    How Europe's largest center for applied laser research is morphing from laser engineering to systems engineering.
    © Fraunhofer ILT, Aachen, Germany
    The gripper arm, which is the central tool for the high-precision alignment of space components, consists of a static and a moving part.
    Lasers & Sources

    3D-printed gripper arm builds ultra-precise optical systems

    The gripper arm, made using a novel 3D printing process, is lighter than its predecessor and yet stable enough to mount and adjust heavier laser optics with ultra-precision.
    Fraunhofer ILT
    Significant increases in energy efficiency and output power for laser bars are the result of the EKOLAS research project.
    Lasers & Sources

    EKOLAS research project leads to novel laser bars with 70% wall-plug efficiency

    John Wallace
    The Efficient High-Performance Laser Beam Sources (EffiLAS) association has a project, EKOLAS, aimed at producing next-gen laser bars.
    Conard Holton2
    Commentary

    COVID-19 crisis management for photonics businesses

    Conard Holton
    Innovation and leadership will be the keys to successful short- and long-term responses to the pandemic.
    (Courtesy of Fraunhofer ILT)
    FIGURE 1. The diode-pumped Innoslab design can be upscaled to 5 kW average power with 800 fs pulses.
    Lasers & Sources

    High-power ultrafast lasers: The door to new applications swings open

    Andreas Thoss
    Ultrafast lasers offer two unique advantages: The highest precision in material processing and the ability to process almost every material.
    Fraunhofer Institute for Laser Technology ILT
    1967 Akl Header 01
    Lasers & Sources

    The May, 2020 International Laser Technology Congress has been canceled due to the coronavirus

    John Wallace
    The Fraunhofer Institute for Laser Technology ILT has canceled the Aachen, Germany based International Laser Technology Congress AKL'20 due to the spread of Covid-19.
    Photonics21
    A new study (portion of cover image for the report shown here) describes how photonics-based technologies will be instrumental in reducing carbon-dioxide pollutants.
    Test & Measurement

    Photonics-based technologies to reduce CO2 by 3 billion tons per year

    Gail Overton
    According to a new study supported by Photonics21 and several other photonics institutions, photonics technologies can contribute to three billion tons less carbon dioxide per...

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    Additional content from Fraunhofer-Institut für Lasertechnik ILT

    FIGURE 1. A 500 W-class Innoslab amplifier in a seven-pass configuration with gain = 53 (top) and a 500 W-class, single-pass Innoslab power booster with gain = 2 (bottom) are shown.
    Lasers & Sources

    Ultrashort-pulse Lasers: Ultrashort-pulsed laser sources with kilowatt power for industrial applications

    Andreas Thoss
    Scaling picosecond and femtosecond laser sources and process technology to 10 kW and beyond.
    Fraunhofer ILT, Aachen, Germany
    Dr. Constantin Häfner.
    Lasers & Sources

    Constantin Häfner named new director of Fraunhofer Institute for Laser Technology ILT

    John Wallace
    Effective November 2019, laser physicist Dr. Constantin Häfner will be taking on the Directorship of Fraunhofer ILT in Aachen, Germany. He is currently Program Director for Advanced...
    Rsz Pr Ehla Coating Brake Discs Image1
    Industrial Laser Solutions

    Laser coating process improves protection for brake discs

    David Belforte
    As opposed to conventional coatings that can show pores and cracks, the coating from the laser process remains intact.
    (Courtesy of Andreas Thoss)
    Reinhart Poprawe with some of his 200 PhD students.
    Lasers & Sources

    Business Forum: An era ends—Reinhart Poprawe retires

    Andreas Thoss
    After 23 years shaping industrial laser technology development in Germany and worldwide, Reinhart Poprawe retires from Fraunhofer ILT and RWTH Aachen University.
    Danke 720
    Commentary

    An era ends

    Andreas Thoss
    Reinhart Poprawe is retiring from his positions as director of the Fraunhofer Institute for Laser Technology ILT and from his Chair of Laser Technology at RWTH Aachen University...
    Danke 720
    Commentary

    Femto goes macro

    Andreas Thoss
    Attendees of the UKP Workshop in Aachen, Germany discussed raising the power of ultrafast lasers to the levels at which continuous-wave lasers now do cutting and welding.
    Content Dam Lfw Print Articles 2019 04 1904lfw Nb 2 9
    Positioning, Support & Accessories

    Ultrafast laser drills 12,000 holes per second with 1 µm diameter

    John Wallace
    Used with an ultrafast laser, a diffractive optical element generates more than 200 beamlets, allowing drilling of more than 12,000 holes per second.
    Danke 720
    Commentary

    Record 3.5 kW from an ultrafast fiber laser

    Andreas Thoss
    An all-fiber amplifier setup coherently combines four separately amplified beams; pulse duration is 430 fs.
    (Courtesy of FBH)
    FIGURE 1. Shown is the structure of a typical diode laser (a); the inset shows the triple-asymmetric active region where the laser radiation is generated. The active diode structures of even high-power diode lasers are quite small, as revealed by a close-up photo (b).
    Lasers & Sources

    Diode Lasers: Research gives high-power diode lasers new capabilities

    Andreas Thoss
    R&D at Berlin Adlershof has resulted in design improvements for high-power diode lasers that are boosting efficiency, peak power, brilliance, and range of emission spectra.
    Courtesy Fraunhofer ILT
    From September 12-13, experts from all over the world will meet for the third time in Aachen for the Conference on Laser Polishing – LaP.
    Danke 720
    Commentary

    Fraunhofer institutes to develop 20 kW USP laser

    Andreas Thoss
    12 institutes to develop a whole new laser generation for industry and research
    Courtesy Fraunhofer ILT/ Andreas Steindl
    The finalists of the Innovation Award Laser Technology 2018: 1st prize for the team around Axel Luft, Laserline (front, 4.f.l.), 2nd prize for the team around Gerald Jenke, Saueressig (back, right) and 3rd prize for the team around Alejandro Bárcena, Talens Systems (back, 2.f.l.), presented by. Reinhart Poprawe, Fraunhofer ILT (front, left), Alexander Olowinsky, ELI (back, 4.f.l.) and Ulrich Berners, Arbeitskreis Lasertechnik (front, right).
    Lasers & Sources

    Report from AKL’18--Lasers conquer large-scale manufacturing

    Conard Holton
    At this year’s AKL–International Laser Technology Congress visitors had the chance to see where industrial laser technology will be tomorrow.
    (Image credit: Fraunhofer ILT & Rapid Shape)
    Using the new 'TwoCure' process, a 3D printed ring-in-ring structure is manufactured without support structures and without platform contact.
    Lasers & Sources

    LED-based TwoCure 3D printing process cures resin without need for support structures

    Gail Overton
    Fraunhofer ILT and Rapid Shape are working together to further develop resin-based 3D printing.
    Content Dam Lfw En Articles 2017 10 Lia Gives Reinhart Poprawe Leadership Award Names Nathaniel Quick New Director Leftcolumn Article Thumbnailimage File
    Lasers & Sources

    LIA gives Reinhart Poprawe leadership award, names Nathaniel Quick new director

    Andreas Thoss
    During ICALEO, the Peter M. Baker Leadership Award was made to Reinhart Poprawe, and Nat Quick was named executive director.
    FIGURE 1. Not an insider tip anymore—the Toptica booth party is traditionally the best at the LASER fair.
    Lasers & Sources

    LASER World of PHOTONICS Review: What was new at the LASER trade fair?

    Andreas Thoss
    LASER World of PHOTONICS 2017 didn't disappoint, with a record-breaking crowd and plenty of evidence showing a thriving laser industry.
    (Image credit: Fraunhofer ILT)
    The INSPIRE project will focus on interferometric sensors for testing shape and positional tolerances on objects such as camshafts.
    Test & Measurement

    INSPIRE project goal is nanometer-accurate shape and position sensors

    Gail Overton
    Since current inline measurement technology is not accurate enough, Fraunhofer ILT is collaborating on INSPIRE.
    (Courtesy of Fraunhofer ILT)
    Different CO2 laser pulse modes (Q-switched and modulated laser pulses) enable different functions for finishing optical glass materials, from ablation through surface correction polishing (a). The secret is a carefully constructed scan pattern and optimized laser parameters (b), allowing the laser to create complex, freeform structures such as this honeycomb glass element (c).
    Lasers & Sources

    Laser Materials Processing: Pulsed CO2 laser increases ablation rates for improved glass processing

    Gail Overton
    Ablation of fused silica and other glass materials can be accomplished using CO2 or ultrafast lasers.
    Copyright: Fraunhofer ILT, Aachen, Germany/Volker Lannert
    A team from Aachen, Germany, developed an ultra-high-speed laser material deposition procedure where the metal powder is molten before it hits the workpiece.
    Lasers & Sources

    Laser material deposition gets 100 times faster

    Andreas Thoss
    A new laser material deposition method may offer an economical alternative to hard chrome plating.
    Danke 720
    Commentary

    Say farewell to cold laser ablation

    Andreas Thoss
    The 4th UKP Workshop: Ultrafast Laser Technology united experts from the academic and industrial ultrafast laser community in Aachen.
    Fraunhofer FEP, Dresden, Germany
    The Fraunhofer CeGlaFlex project is developing very thin, malleable, and transparent protective covers for organic LED (OLED) screens made using the roll-to-roll process.
    Detectors & Imaging

    The CeGlaFlex project aims to produce wafer-thin, unbreakable, flexible ceramic and glass for displays

    John Wallace
    Transparent ceramics will be more rugged than glass while retaining the ability to be molded.
    (Image credit: Fraunhofer ILT)
    A laboratory demonstration shows a diode-pumped alexandrite laser for climate-relevant measurements in high-altitude atmospheres.
    Lasers & Sources

    Fraunhofer ILT satellite-based lasers goal of ALISE climate project

    Gail Overton
    Fraunhofer ILT is developing satellite-based laser beam sources for climate research through project ALISE.
    Courtesy of Mesago/Thomas Klerx
    The aircraft manufacturing industry is pioneering the development of additive manufacturing for large industrial solutions.
    Lasers & Sources

    formnext: up-and-coming as the biggest trade show for additive manufacturing

    Andreas Thoss
    Two-year old Frankfurt trade show sets a fast pace for additive manufacturing vendors and customers.
    Photo copyright Fraunhofer ILT, Aachen
    A DWDM prototype is based on actively cooled DFB mini-bars.
    Lasers & Sources

    BRIDLE develops cost-efficient diode lasers for industrial applications

    John Wallace
    High-brightness direct-diode lasers are another result of the project.
    Fraunhofer ILT/AKL´14
    Finalists of the Innovation Award Laser Technology 2014.
    Lasers & Sources

    Proposals for the 2016 Innovation Award Laser Technology are now open

    The European research and technology prize of 10,000 euros is awarded every two years to recognize innovative work in laser technology.
    IMCRC
    The logo is shown for the Innovative Manufacturing CRC in Melbourne, Australia.
    Lasers & Sources

    Fraunhofer ILT named Melbourne IMCRC additive manufacturing center partner

    Gail Overton
    In Melbourne, Australia, a new cooperative research center for innovative manufacturing technology is being established.
    Fraunhofer ILT
    Simulated and ablation under variation of the focus position are shown at the left and an enlarged removal profile is shown at the right.
    Lasers & Sources

    HALO project results: Optimized beam profiles for laser machining

    Gail Overton
    Fraunhofer ILT has participated in the EU's HALO project; results will be presented at LASER World of Photonics Munich.
    Image credit: Fraunhofer ILT
    A near-field microscope is shown analyzing a fragment of a GaN wafer.
    Optics

    Fraunhofer ILT optical technique analyzes GaN on the nanometer scale

    Gail Overton
    In collaboration with fellow researchers from RWTH Aachen University, scientists from Fraunhofer ILT have developed a broadband tunable laser system based on near-field microscopy...
    Conard 720
    Commentary

    Industrial lasers: tools from the future

    Conard Holton
    When the industrial laser community talks about advanced manufacturing, it’s talking about the tools it has been making and using for decades--the tools just keep getting better...
    Protemics
    FIGURE 1. A snapshot image from a time-domain field simulation shows the scattered-light generation from an incident terahertz-pulse plane wave at an air void within a laser-welded polymer; here, the terahertz field amplitude refers to the field vector component in the transverse direction from the void.
    Test & Measurement

    Terahertz Imaging: Terahertz microprobes inspect laser-welded polymers

    Gail Overton
    For laser-welded polymers, final inspection of the weld is often associated with the costly destruction of the product since current nondestructive testing methods such as optical...
    Conard 720
    Commentary

    Next-generation industrial laser systems compete for European laser prize

    Conard Holton
    The Innovation Award Laser Technology 2014 prize of 10,000 euros will be awarded during AKL'14 to one of three finalists announced by the Arbeitskreis Lasertechnik e.V. and the...
    Conard 720
    Commentary

    Fraunhofer meetings in May bring focus on lasers and CMOS imaging

    Conard Holton
    AKL'14, organized by Fraunhofer ILT, and the Workshop on CMOS Imaging: From photon to camera, organized by Fraunhofer IMS, will bring international focus on their respective fields...
    Dr. Ingomar Kelbassa
    Executive Forum

    Business Forum: Finding selective markets, additive manufacturing becomes competitive

    Milton Chang
    Here, I interview Dr. Ingomar Kelbassa, deputy director at the Laser Technology LLT at RWTH Aachen University and Department Head at the Fraunhofer Institute for Laser Technology...
    Lasers & Sources

    EU BRIDLE project seeks to develop affordable 2 kW direct laser diode

    Gail Overton
    European Union--The BRIDLE project brings together seven European industrial and academic partners that seek to develop an affordable direct diode laser source for industrial ...
    Fraunhofer IPMS
    The Fraunhofer IPMS micromirror measures 6 x 8 mm, allowing it to guide large-diameter femtosecond laser beams for such delicate procedures as cranial bone removal.
    Research

    Femtosecond lasers to replace trephine drills in cranial bone removal

    Gail Overton
    Dresden, Germany--Because a trephine drill can injure the outermost layer of the brain and lead to meningitis, researchers at several Fraunhofer Institutes intend to replace the...
    Fraunhofer ILT, Aachen
    Laser-soldered glass/silicon sensor package.
    Research

    Laser-based glass soldering packages temperature-sensitive glass/glass and glass/ceramics

    John Wallace
    Aachen, Germany--To package temperature-sensitive glass/glass and glass/ceramics components, especially those with large substrate surfaces to be sealed, a laser-based joining...
    Image courtesy of Fraunhofer ILT
    Untreated and laser-polished component of the ventricular assist system INCOR, which is made out of titanium.
    Home

    Laser polishing speeds surface finish of dental and blood-carrying implants

    The MediSurf project, funded by the German Federal Ministry of Economics and Technology and led by the Fraunhofer Institute for Laser Technology (ILT), has found that laser polishing...
    Courtesy Fraunhofer ILT
    The particle density distribution is shown for different layers of a powder gas stream from a three-beam powder nozzle used in laser materials deposition.
    Positioning, Support & Accessories

    Laser-based 3D nozzle quality test from Fraunhofer ILT improves laser material deposition

    Gail Overton
    Aachen, Germany--Fraunhofer ILT scientists have performed a laser-based qualitative/quantitative characterization of the powder gas stream in laser deposition processes.
    Images copyright Fraunhofer Institute for Laser Technology ILT, Aachen
    A laser cuts FRP (left). A glass-fiber-reinforced plastic component after laser cutting and welding (right).
    Lasers & Sources

    Fraunhofer working on laser fabrication of complex lightweight mass-market components

    John Wallace
    Aachen, Germany--As part of the FibreChain and InProLight projects, researchers at Fraunhofer ILT are developing better and lower-cost laser-based ways of structurally joining...
    Image copyright Fraunhofer Institute for Laser Technology ILT, Aachen
    Small gold spots are laser-clad onto stainless steel.
    Research

    Laser-based cladding of switch contacts saves on gold

    John Wallace
    Aachen, Germany--Scientists at the Fraunhofer Institute for Laser Technology ILT have come up with a laser-based approach for fabricating clad-gold contacts for electrical switches...
    Image courtesy of Fraunhofer ILT
    The ArtiVasc 3D project team at the Fraunhofer Institute for Laser Technology ILT in Aachen.
    Biomedicine

    Consortium forms to tackle artificial tissue generation

    Under the leadership of the Fraunhofer Institute for Laser Technology (ILT), a consortium of 16 European partners from industry and the research community are tackling artificial...
    Lasers & Sources

    Green femtosecond laser from Fraunhofer ILT achieves record power

    Gail Overton
    Aachen, Germany--Fraunhofer ILT installed an ultrafast green femtosecond laser based on an Yb:INNOSLAB amplifier with frequency doubling with average output power of 280 W at ...
    Research

    Joining Technologies partners with Fraunhofer ILT

    Stephen G. Anderson
    East Granby, CT--Joining Technologies is partnering with Germany's Fraunhofer Institute for Laser Technology (ILT; Aachen, Germany) and its Fraunhofer USA subsidiary, Fraunhofer...
    Home

    2011 Marketplace Seminar presentation to highlight optical molecular imaging

    Gail Overton
    Nashua, NH--The science of optical molecular imaging (OMI) will be among the presentations at the 2011 Lasers & Photonics Marketplace Seminar.
    (Image courtesy of Fraunhofer ILT, Aachen)
    Resonator of the Yb:Innoslab femtosecond amplifier.
    Lasers & Sources

    Fraunhofer ILT shows new femtosecond amplifier concept

    Stephen G. Anderson
    Aachen, Germany--Researchers at the Fraunhofer Institute for Laser Technology (ILT) have developed an amplification concept for femtosecond lasers that achieves mean output power...
    Home

    Laser glass soldering provides low-temperature hermetic seal

    John Wallace
    Aachen, Germany--The Fraunhofer Institute for Laser Technology has developed a packaging process for microcomponents that is based on laser glass soldering.
    Fiber Optics

    Fraunhofer ILT puts TWIST on plastic welding

    Gail Overton
    The Fraunhofer Institute for Laser Technology (ILT; Aachen, Germany) has developed a novel, compact, and industry ready plant concept to laser weld plastics using fiber lasers...