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Proceedings Paper

High-power diode lasers and their direct industrial applications
Author(s): Peter Loosen; Hans-Georg Treusch; C. R. Haas; U. Gardenier; Manfred Weck; V. Sinnhoff; S. Kasperowski; R. vor dem Esche
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Paper Abstract

The paper summarizes activities of the two Fraunhofer-Institutes ILT and IPT concerning the development of high-power laser-diode stacks and their direct industrial applications. With microchannel coolers in copper technology and ultra-precision machined micro-optics a stack of 330 - 400 W total power with a maximum intensity of the focused beam of 2 104 W/cm2 has been built and tested in first applications. By further improvements of the lens-fabrication and -alignment technology as well as increase of the number of stacked diodes an output power in the kW-range and intensities up to about 105 W/cm2 shall be achieved in the near future. Applications of such laser sources in surface technology, in the processing of plastics, in laser-assisted machining and in brazing are discussed.

Paper Details

Date Published: 28 April 1995
PDF: 11 pages
Proc. SPIE 2382, Laser Diodes and Applications, (28 April 1995); doi: 10.1117/12.208435
Show Author Affiliations
Peter Loosen, Fraunhofer-Institut fuer Lasertechnik (Germany)
Hans-Georg Treusch, Fraunhofer-Institut fuer Lasertechnik (Germany)
C. R. Haas, Fraunhofer-Institut fuer Lasertechnik (Germany)
U. Gardenier, Fraunhofer-Institut fuer Lasertechnik (Germany)
Manfred Weck, Fraunhofer-Institut fuer Produktionstechnologie (Germany)
V. Sinnhoff, Fraunhofer-Institut fuer Produktionstechnologie (Germany)
S. Kasperowski, Fraunhofer-Institut fuer Produktionstechnologie (Germany)
R. vor dem Esche, Fraunhofer-Institut fuer Produktionstechnologie (Germany)


Published in SPIE Proceedings Vol. 2382:
Laser Diodes and Applications
Kurt J. Linden; Prasad R. Akkapeddi, Editor(s)

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