LZH Videos

 

Scientific technical Videos

 

Laser cutting underwater

Working underwater is personnel and time-intensive. The Laser Zentrum Hannover e.V. (LZH), together with the Institute of Materials Science of the Leibniz Universität Hannover, is therefore working on developing a laser-based process for the automated cutting of sheet piling underwater. Sheet piling protects fortified shore areas, or it can be used for drying out these areas if repairs are necessary...

 

Laser-based gluing of diamond cutting segments

Gluing instead of soldering: The groups “Joining and Cutting of Metals” and “Safety Technology” at the LZH are researching a laser-based process for exchanging diamond cutting segments together with the Remscheider Institut für Werkzeugforschung und Werkstoffe (IFW). In comparison to soldering, laser-based gluing has a much lower thermal input level...

 

Laser-assited arc welding

Laser-assisted arc welding can be used for robust and high-quality welding at high speeds. The process developed at the Laser Zentrum Hannover e.V. (LZH)  uses a laser beam with a low average output to stabilize the arc welding processes (GMA, MIG, TIG)...

 

Laser repair of CFRP materials

Carbon fiber reinforced plastics (CFRP) have a high strength and stiffness, and are very light. Thus, this lightweight construction material is predestined for future applications in the automobile and aeronautic industries. However, the material CFRP is a challenge for conventional manufacturing technologies...

 

Laser welding of thick steel plates

By combining conventional welding processes with laser processing, material, work steps and energy can be saved. When a GMA torch is combined with a laser beam, the light arc is also stabilized. The welding seam is deeper, and the welding speed is increased...

 

Laser welding of metal foam sandwiches

Within the framework of a joint research project, the LZH has developed a process for the laser welding of large-scale metal foam sandwiches. Metal foams are highly porous, light materials, which, due to the cellular structure, dampen energy forms such as vibrations, shock or noise extremely well...

 

Weeding using the laser

No more aggressive chemicals for fighting weeds for professional gardeners! A fully automated unit „flies“ over the field, a camera recognizes sprouting weeds, and a laser beam does the rest. This future scenario has been the subject of research in a project at the LZH. The main goal was to find a way to fight weeds without using chemicals, a major goal for ecological and sustainable plant growing...

 

Presbyopia

Presbyopia is a problem millions of people have. The LZH, in cooperation with the Laserforum Köln e.V., has carried out studies which show that increased formability of the lens is possible...

 

Laser welding technologies for glass and solar collectors

Solar energy stands for an efficient and environmentally friendly energy supply. This system transforms solar energy into usable thermal energy. The LZH has researched a process for cost-optimization and improved production of solar collectors..

 

MOMA: Laser in outer space

ExoMars, the European Mars rover, should be launched as a part of the AURORA program of the ESA. The goal is to explore the solar system, especially the planet Mars and the earth’s moon. The journey to Mars should last a year. The LZH was responsible for the development of the prototype of a laser for the Mars mission..

 

Bone implants with shape memory alloys

The characteristics of commercial implants used for bone fractures cannot be changed after they have been implanted. If a stiffer implant is needed later, an operation is necessary. With so-called “shape memory alloys”, SMA for short, a second operation is no longer necessary..

 

Laser-based manufacturing of nanoparticles

Nanoparticles are more than one thousand times smaller than the diameter of a human hair. They are used for the production of scratch-resistant automobile paint, or as a UV protection in sun lotions. Nanoparticles can also be used in medical technology. The LZH uses laser technology to generate nanoparticles...

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Videos of the spin-offs companies

 

LZH Laser Akademie GmbH

The LZH Laser Akademie GmbH is a professional service company for further education and offers its customers a wide range of courses providing qualifications in the field of optical technologies. The focus lies on fundamental courses and application fields of laser technology and related topics...

 

Micreon GmbH

The Micreon GmbH was founded in 2003, and is one of the most renowned contract manufacturers worldwide for microprocessing using ultrashort pulse lasers. Ultrashort pulse laser processes offer an enormous potential for high-tech products in various technical areas...

 

neoLASE GmbH

The neoLASE GmbH was started as a spin-off of the Laser Development Department (LZH). The team has many years of experience in the area of diode-pumped, solid-state lasers. This experience gives neoLASE a leading edge on the product-related development and production of customer-specific laser systems...

 

Rowiak GmbH

Rowiak develops, builds and sells so-called femtosecond lasers, which can be used for non-contact, precise cutting of tissue, down to individual cells. Tissue must not be prepared ahead of time, and the special feature of the system is that the laser operates in the infrared range, and can penetrate relatively deep into tissue...

 

Start-up offensive: Starting Business

The goal of Starting Business is to sensitize students and scientific staff for the topic of start-ups, and to help them turn an innovative business idea into a sustainable concept for starting a new business...

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