Abstract
AbstractUltrashort‐pulse (USP) lasers enable microlevel manipulation of material surfaces and work on the bulk of transparent materials with almost no thermal effects. One major bottleneck that is limiting the processing speed with USP lasers is the effective spreading of laser energy in the processed material. Diffractive optical elements (DOE) are a leading method of solving this bottleneck. In this article, we review the concept of 3D diffractive light shaping for USP lasers and show its usefulness in various industrial USP laser applications.
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