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Proceedings Paper

Design and assembly of a miniaturized high-power laser bar to 50 um fiber coupling module
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Paper Abstract

Miniaturized optical systems that couple light from broad area or trapezoid diode laser bars with cw powers up to 100 W into fibers with core diameters between 50 μm and 100 μm have been developed and assembled on smart Direct-Copper-Bond (DCB) system platforms that incorporate active cooling structures as well as hermetic housing facilities. The approach for a fast and flexible joining of the optical elements by a flux-free applied solder is to jet liquid solder spheres onto joining geometries, thus enabling for creating complex shaped solder joint geometries with high accuracies.

Paper Details

Date Published: 25 February 2008
PDF: 8 pages
Proc. SPIE 6876, High-Power Diode Laser Technology and Applications VI, 687613 (25 February 2008); doi: 10.1117/12.765468
Show Author Affiliations
Erik Beckert, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Peter Schreiber, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Thomas Burkhardt, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Ekkehard Werner, JENOPTIK Laserdiode GmbH (Germany)
Ralf Hülsewede, JENOPTIK Diode Lab. GmbH (Germany)


Published in SPIE Proceedings Vol. 6876:
High-Power Diode Laser Technology and Applications VI
Mark S. Zediker, Editor(s)

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