Fiber feedback

Sensors comprising optical sensor fibers detect a laser light output from at least a laser delivery optical fiber to provide feedback of the laser light intensity detected by the optical sensor fiber. The optical sensor fibers may be integrated within a laser delivery bundle, or may be positioned be...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Caldwell, Scott
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING COLORIMETRY CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS RADIATION PYROMETRY SOLDERING OR UNSOLDERING TESTING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Sensors comprising optical sensor fibers detect a laser light output from at least a laser delivery optical fiber to provide feedback of the laser light intensity detected by the optical sensor fiber. The optical sensor fibers may be integrated within a laser delivery bundle, or may be positioned between a delivery end of the laser delivery optical fiber and a plurality of work pieces to be welded. In various aspects, the feedback provided from the optical sensor fibers is used to control the laser light intensity or to alert an operator that the laser light intensity has fallen below a predetermined parameter.