BEAM PARAMETER PRODUCT (BPP) CONTROL BY VARYING FIBER-TO-FIBER ANGLE

An apparatus includes a laser system that includes a first fiber having an output end and situated to propagate a first laser beam with a first beam parameter product (bpp) and a second fiber having an input end spliced to the output end of the first fiber at a fiber splice so as to receive the firs...

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Bibliographische Detailangaben
Hauptverfasser: Balsley David R, Logan David, Stevens Ron, Hawke Ryan
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An apparatus includes a laser system that includes a first fiber having an output end and situated to propagate a first laser beam with a first beam parameter product (bpp) and a second fiber having an input end spliced to the output end of the first fiber at a fiber splice so as to receive the first laser beam and to form a second laser beam having a second bpp that is greater than the first bpp, wherein the output end of the first fiber and the input end of the second fiber are spliced at a tilt angle so as to increase the first bpp to the second bpp.