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Individually addressed high-power diode-laser-bars for material processing

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4 Author(s)
Roehner, M. ; Fraunhofer-Inst. fur Lasertechnik, Aachen, Germany ; Boenig, N. ; Boucke, K. ; Poprawe, R.

In order to widen the applications of high-power diode-laser-bars in the fields of micro-system technology and printing industry (e.g. soldering electronic components or rapid-prototyping) the intensity profile must be adjusted to the work piece's respective geometry. In this presentation an estimation of the thermal and electrical crosstalk for different geometries of high-power diode-laser-bars is discussed. Different methods to increase the fill factor are shown. At the conclusion three prototypes with 19 up to 48 individually addressable high-power diode-laser-bars used in the field of micro-system technology and printing industry are presented.

Published in:

Lasers and Electro-Optics Europe, 2003. CLEO/Europe. 2003 Conference on

Date of Conference:

22-27 June 2003