Importance

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Abstract

In a method and system for processing a processing surface of a material, a mounting receives the material with the processing surface. At least one fiber laser comprising a pump source and a laser fiber has an infeed end, an outfeed end, and a core surrounded by a pump core, the pump source being positioned at the infeed end, and the laser fiber outputting a continuous wave laser beam at the outfeed end. At least one of the laser beam and the processing surface are laterally movable with respect to each other. A focusing optics is provided through which the laser beam passes. The laser beam output from the laser fiber is diffraction-limited to permit the focusing optics to focus the laser beam onto the processing surface as a spot having a spot size sufficiently small to create a fine structure by processing material at the processing surface.

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First Claim