• Production and systems

    The core competencies of the department are laser-based solutions for industrial fields

  • Laser Development Department

    The Laser Development Department concentrates on the development of laser sources for a variety of applications.

  • Nanotechnology

    The main work of the department is in the development of new technologies for the generation of micro- and nano-structured objects ...

  • Laser Components

    The roots of the Laser Component Department go back to the beginning of the 70s

  • Biomedical Optics

    The Biomedical Optics Department combines the use of lasers for imaging, laser surgery, and cell and tissue manipulation.

  • Materials and Processes

    The interaction between the laser beam with mainly metal materials from basic research to industrial contract research

Welcome to the LZH


As an independent non-profit research institute for photonics and laser technology the Laser Zentrum Hannover e.V. (LZH) stands for innovative research, development and consulting. The focus of our applied research in the field of photonic technologies is on:

  • Optical components and systems
  • Optical production technologies
  • Biomedical photonics

Interdisciplinarity is thereby strongly emphasized since the foundation 1986 and is the basis of the excellent work at the LZH. As a reliable partner of the industry, we constantly focus on the customer benefit und use light for innovation.

Welding thick metal sheets quickly

It is possible to weld thick pipelines and metal sheets made of aluminum alloys or steel at high speeds of 6 m/min. respectively 1.5 m/min. with a hybrid welding process developed at the Laser Zentrum Hannover e.V. (LZH). In the future, the laser-based process can be used to shorten processing times, and thus significantly reduce the processing costs of liquid gas tanks and pipelines.

The LZH develops a fiber amplifier for measuring gravitational waves in space

When the European Space Agency (ESA) sends the “3rd Large Mission” into space in 2034, its goal will be to detect gravitational waves. Scientists at the Laser Zentrum Hannover e. V. (LZH) have now begun to develop fiber amplifiers for the required lasers.

Clear view for the Extremely Large Telescope – LZH develops IR narrowband filter

When telescopes look into space, they usually have only a limited view, even on star-bright nights – molecules in the atmosphere „block“ their view. Scientists at the Laser Zentrum Hannover e.V. (LZH) have developed and produced narrowband filters for the European Extremely Large Telescope (E-ELT), which block interfering signals.