DEVICE FOR SWITCHING OVER A LASER BEAM AND LASER MACHINING DEVICE

A laser beam switching apparatus and a laser machining device are provided to selectively switch an input laser beam into at least one of a first output laser beam and/or a second output laser beam. A beam dividing member(115) spatially divides an input laser beam(110) into a first part beam(120a) a...

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Bibliographische Detailangaben
Hauptverfasser:	AFFOLTER ERNST, FEHR JEAN NOEL, SCHNELL URBAN GEORG
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DEVICES USING STIMULATED EMISSION ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACHINE TOOLS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PRINTED CIRCUITS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A laser beam switching apparatus and a laser machining device are provided to selectively switch an input laser beam into at least one of a first output laser beam and/or a second output laser beam. A beam dividing member(115) spatially divides an input laser beam(110) into a first part beam(120a) and a second part beam(120b). A beam superposing member(135) spatially superposes two part beams, and converts two part beams into a first output laser beam(140a) and/or a second output laser beam(140b). An optical drive member(170) is disposed on the first part beam in such a way that an optical pass distance of the first part beam is varied between the beam dividing member and the beam superposing member. Intensity of two output laser beams is varied depending upon relative phase shift between two part beams.