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

Erik Beckert; Peter Schreiber; Thomas Burkhardt; Ekkehard Werner; Ralf Hülsewede

doi:10.1117/12.765468

25 February 2008 Design and assembly of a miniaturized high-power laser bar to 50 μm fiber coupling module

Erik Beckert, Peter Schreiber, Thomas Burkhardt, Ekkehard Werner, Ralf Hülsewede

Proceedings Volume 6876, High-Power Diode Laser Technology and Applications VI; 687613 (2008) https://doi.org/10.1117/12.765468
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

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.

Citation Download Citation

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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