They are intended to enable technologies whose application potential cannot even be estimated yet: A team of scientists from the Leibniz Institute of Photonic Technology (Leibniz IPHT) in Jena is managing a european research project to develop fiber lasers with new wavelengths. The powerful, robust fiber lasers aim at significantly extending the spectral range achieved to date and thus making new applications in medicine and telecommunications possible.
The European Union is supporting the project, in which research institutions from Spain, Poland and Great Britain cooperate, as part of the "FET Open" programme with the aim of promoting ideas for radically new future technologies. Over the next four years it will provide almost 3 million euros for this purpose, 900,000 euros of which for the Leibniz IPHT.
"We are very pleased that we are the only consortium coordinated by a German institute to have been selected for this prestigious and highly competitive program," says Dr. Matthias Jaeger from Leibniz IPHT, head of the "NCLas" ("Nanocrystals in Fiber Lasers") project. By incorporating nanocrystals into a fiber, the scientists want to open up areas that are relevant for biomedical applications but for which there are no practical solutions available yet.
For example, one planned fiber laser targets a spectral range in which tissue is very transparent so that even deep layers become visible. Another fiber laser is of great interest for telecommunications, where information is transmitted via the optical fiber. "The more wavelengths the laser addresses, the more channels are available," explains Matthias Jaeger. "In addition, our research can pave the way for applications for optical fibers that are still a vision of the future today.
There is also great commercial interest in researching new fiber lasers. "They are currently the most successful laser concept," says Jaeger, who heads the "Active Fiber Modules" working group at Leibniz IPHT. The reasons: They have a very good beam quality even at very high powers, but cause lower costs and less maintenance than solid-state lasers.
They also enable compact, robust and energy-efficient light sources. With the Jena-based company Lasos Laser technology "NCLas" is already with economical partners. The European research partners of the project are the Fraunhofer Institute for Ceramic Technologies and Systems Dresden, the University of Cantabria in Santander, Spain, the Wissenschaftlich-Technische AGH-Universität Krakau and the University of Surrey in Guildford, England.
With the "FET Open" ("Future and Emerging Technologies") programme, the EU is promoting unconventional new research ideas at an early stage that aim at fundamental breakthroughs for new technologies. The objective is to question existing paradigms and enable research at the frontier of knowledge. 375 research institutions submitted projects, 38 of which were selected.
Lavinia Meier-Ewert | idw - Informationsdienst Wissenschaft
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