Berlin, Germany – At the Laser Optics Berlin trade fair on March 19th, 2012, a team from the Ferdinand-Braun-Institut (FBH -www.fbh-berlin.de) was awarded the 50,000 Euro Transfer Prize WissensWerte 2011. Six scientists from the Berlin institute were honored for the sustainable transfer of extraordinarily powerful diode lasers to be applied in materials processing in this field, the FBH in cooperated with Jenoptik Diode Lab GmbH.
“We are very proud of this award – it manifests and acknowledges the long-term and extraordinarily fruitful collaboration with industrial partners like Jenoptik”, says awardee Dr. Götz Erbert. “This cooperation is the basis for various developments in this application field helping us to ensure international technology leadership within the market for such laser systems”.
The team, led by Dr. Erbert, is developing a novel generation of diode lasers for powerful laser systems used for materials processing. These systems consist of single diode lasers delivering a typical output power of around 10 Watt. In order to enhance their performance, to simply increase the output power is insufficient. Thus, the most important tasks are to further increase efficiency, hence improving the effectiveness of transforming electrical into optical power, and to optimize the beam quality of the single diode lasers forming such systems. Based on novel designs, the team has now developed diode lasers already achieving an efficiency of 63 percent at an output power of 12 Watt. 15 to 20 Watt shall be achieved while maintaining their excellent efficiency and beam quality. Thus, such diode lasers set the stage for purely diode-laser-based laser systems for materials processing in the future.
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