Device for focusing a laser beam used during the modification of workpieces comprises a lens group which is mounted so that it can be moved in the axial direction and a further lens group fixed in relation to the other lens group

Device for focusing a laser beam comprises a lens group (22, 23) which is mounted so that it can be moved in the axial direction and a further lens group (24) fixed in relation to the other lens group. The moving lens group is structured to adjust the focus position in the axial direction while main...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KOEHLER, GUNNAR, NIEDRIG, ROMAN, WEDEL, BJOERN, FUESLER, SVEN, LINDNER, SWEN
Format:	Patent
Sprache:	eng ; 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 OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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