DEVICE FOR INFLUENCING A LASER BEAM

An apparatus for influencing a laser beam from an ultrashort pulse laser includes a pulse-precise deflector unit configured to deflect the laser beam in at least one direction perpendicular to a beam propagation direction, a transformation optics arrangement having at least two components arranged d...

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Bibliographische Detailangaben
Hauptverfasser:	GROSSMANN, Daniel, KUMKAR, Malte
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	An apparatus for influencing a laser beam from an ultrashort pulse laser includes a pulse-precise deflector unit configured to deflect the laser beam in at least one direction perpendicular to a beam propagation direction, a transformation optics arrangement having at least two components arranged downstream of the pulse-precise deflector unit. The transformation optics arrangement is configured to transform a spatial deflection and/or an angular deflection of the laser beam into the angular deflection and/or the spatial deflection, and/or transform the spatial deflection and the angular deflection inversely, by using a space-to-angle transformation and/or an angle-to-space transformation. The apparatus further includes a processing optical unit arranged downstream of the transformation optics arrangement and configured to guide the laser beam into an image-side focal plane of the processing optical unit.