ompact and robust lasers with high beam quality. The low efficiency of conventional fibre lasers in the past restricted them to use for amplification in communications networks. It was not until the work done by Andreas Tnnermann that it became possible to build fibre lasers with both a consistently high power emission signal as well as ultra short pulses with high beam quality. He also accomplished decisive pioneering work on the improvement of the optical properties of optical fibres for light emission and thus of their usefulness for lasers. For the first time this makes high efficiency laser sources that can be used as components in integrated optics available. The work of Andreas Tnnermann has opened up new possibilities for the use of modern laser fibres, ranging from basic research and the development of new materials through to biophotonics.
After completing his doctorate in laser physics at the University of Hannover Andreas Tnnermann became head of the department of development at the Laser Zentrum Hannover in 1992. He qualified as a professor of experimental physics in 1997 and was appointed as a professor of applied physics at the University of Jena in 1998, at the age of 34, where he has since been the director of the Institute of Applied Physics. Simultaneously he is also the director of the Fraunhofer Institute for Applied Optics and Precision Engineering.
The award ceremony for the Gottfried Wilhelm Leibniz Programme 2005 will take place on 2 March 2005 at the Berlin-Brandenburg Academy of Science in Berlin. The prizes will be awarded by the President of the DFG, Professor Ernst-Ludwig Winnacker.
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. Leibniz Prize winners 2007 announced2
. Leibniz Prize winners 2006