US 11,931,827 B2
Laser cutting device and laser cutting method
Huanyin Xin, Shenzhen (CN); Zhongqian Li, Shenzhen (CN); Hong Chen, Shenzhen (CN); Jiangang Lu, Shenzhen (CN); Hongjiang Zhang, Shenzhen (CN); Jiangang Yin, Shenzhen (CN); and Yunfeng Gao, Shenzhen (CN)
Assigned to HAN'S LASER TECHNOLOGY INDUSTRY GROUP CO., LTD., Guangdong (CN)
Appl. No. 17/263,304
Filed by HAN'S LASER TECHNOLOGY INDUSTRY GROUP CO., LTD., Guangdong (CN)
PCT Filed Jun. 22, 2020, PCT No. PCT/CN2020/097477
§ 371(c)(1), (2) Date Jan. 26, 2021,
PCT Pub. No. WO2020/239133, PCT Pub. Date Mar. 12, 2020.
Claims priority of application No. 201910466903.1 (CN), filed on May 31, 2019.
Prior Publication US 2021/0162546 A1, Jun. 3, 2021
Int. Cl. B23K 26/38 (2014.01); B23K 26/00 (2014.01); B23K 26/06 (2014.01); B23K 26/067 (2006.01); B23K 26/08 (2014.01); G02B 27/09 (2006.01); B23K 101/40 (2006.01); B23K 101/42 (2006.01); B23K 103/00 (2006.01)
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
OG exemplary drawing
 
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.