Laser equipment and laser lens thereof

The utility model provides a piece of laser equipment and a laser lens thereof. The laser lens comprises a center part and a surrounding part which surrounds the center part. The center part and the surrounding part are both convex lenses, and the emergent surfaces of the center part and the surroun...

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Bibliographische Detailangaben
1. Verfasser:	QIAN XUANYU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The utility model provides a piece of laser equipment and a laser lens thereof. The laser lens comprises a center part and a surrounding part which surrounds the center part. The center part and the surrounding part are both convex lenses, and the emergent surfaces of the center part and the surrounding part have different curvatures. The laser lens is provided with two or more focuses, and higher laser power density can be obtained under the circumstance of the same laser power.