DIRECT DIODE LASER OSCILLATOR, DIRECT DIODE LASER PROCESSING APPARATUS, AND REFLECTED LIGHT DETECTING METHOD

A direct diode laser oscillator includes plurality of LDs that emit laser beams of multiple wavelengths, respectively, a fiber array formed by binding emitting ends of a plurality of feeding fibers that respectively transmit the laser beams of multiple wavelengths emitted from the plurality of LDs,...

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Bibliographische Detailangaben
1. Verfasser:	OGATA Minoru
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DEVICES USING STIMULATED EMISSION ELECTRICITY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A direct diode laser oscillator includes plurality of LDs that emit laser beams of multiple wavelengths, respectively, a fiber array formed by binding emitting ends of a plurality of feeding fibers that respectively transmit the laser beams of multiple wavelengths emitted from the plurality of LDs, a spectral beam combining unit that spectral-beam-combines the laser beams of multiple wavelengths emitted from the fiber array, a reflected light detecting fiber that is arranged adjacent to the fiber array and receives, through the spectral beam combining unit, reflected light of the laser beams of multiple wavelengths reflected by a work material, and a photodetector that detects the reflected light emanating from the reflected light detecting fiber.