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The Optical System of CO2 Laser Welding and Cutting Equipment with High Beam Quality
Author(s): 
Pages: 217-219
Year: Issue:  3
Journal: LASER & INFRARED

Keyword:  激光加工三折谐振腔三工位转换器透镜聚焦抛物面反射聚焦;
Abstract: 介绍了一种实用型高功率、高光束质量CO2激光焊接、切割机,分析其光学系统.激光器采用三折谐振腔结构并进行小孔光阑选模,额定输出功率3kW,功率不稳定度不大于±4%,光束发散角全角约为1.6mrad,为TEM00与TEM01的混合模式;三工位光路转换器的使用,提高了工作效率,增加了加工的灵活性;根据焊接和切割具体要求,设计了透镜聚焦和离轴抛物面反射聚焦两种光束的聚焦方式.实验研究表明,该设备具良好的焊接、切割性能.
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