CPC B23K 26/38 (2013.01) [B23K 26/0006 (2013.01); B23K 26/0608 (2013.01); B23K 26/0626 (2013.01); B23K 26/0648 (2013.01); B23K 26/0676 (2013.01); B23K 26/08 (2013.01); G02B 27/0916 (2013.01); G02B 27/0927 (2013.01); G02B 27/0955 (2013.01); B23K 2101/40 (2018.08); B23K 2101/42 (2018.08); B23K 2103/56 (2018.08)] | 10 Claims |
1. A laser cutting device, comprising:
a beam expanding element provided with a plurality of lens sets, and wherein optical axes of the plurality of lens sets are on the same straight line, each lens set is provided with at least one lens, the beam expanding element is configured to converts an incident light beam into a first light beam; and
a spectroscopic element arranged on a light path of an emitted light of the beam expanding element, and wherein the spectroscopic element is configured to converts the first light beam into multiple second light beams that are annular and spaced apart from each other.
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