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25 February 2008 Design and assembly of a miniaturized high-power laser bar to 50 μm fiber coupling module
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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.
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Erik Beckert, Peter Schreiber, Thomas Burkhardt, Ekkehard Werner, and Ralf Hülsewede "Design and assembly of a miniaturized high-power laser bar to 50 μm fiber coupling module", Proc. SPIE 6876, High-Power Diode Laser Technology and Applications VI, 687613 (25 February 2008); https://doi.org/10.1117/12.765468
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