Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jarno Kangastupa0
Date of Patent
June 7, 2022
0Patent Application Number
155185100
Date Filed
July 15, 2016
0Patent Citations Received
Patent Primary Examiner
The invention concerns an apparatus and a method for laser processing. There is provided at least one first laser beam from at least one first optical feed fiber connected to at least one first laser device and at least one second laser beam from at least one second optical feed fiber connected to at least one second laser device. Said first and second laser beams are combined in a multi-core optical fiber. Said first core of said multi-core optical fiber has a circular cross-section, and said second core has an annular shape concentric to said first core. A composite laser beam comprising first and second output beams is directed from said multi-core optical fiber to a workpiece with overlapping elements to be welded.
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