IMECH-IR  > 力学所知识产出(1956-2008)
用于激光加工中的矩形孔径Dammann光栅光束变换技术
Alternative TitleBeam Transformation Technology of Pixellated Dammann Grating in Laser Processing
虞钢; 聂树真; 郑彩云; 何秀丽
Source Publication中国激光
2008-11-15
Volume35Issue:11Pages:1841-1847
ISSN0258-7025
Abstract针对大功率激光加工对光束空间强度分布的实际要求,提出了一种用二元光学元件对光束进行变换的方法,即利用均匀采样的矩形孔径Dammann光栅对激光高斯光束进行光束变换,可满足任意点阵分布的输出要求。以线状、均匀、环状和非均匀分布的光强输出为例,介绍了矩形孔径Dammann光栅光束变换技术的设计原理及实现方法,结果表明输出光强分布具有较高的衍射效率和均匀性。将均匀和非均匀分布的输出光束应用在激光加工技术的表面强化上,结果表明试样表面的硬度和耐磨性等力学性能均有提高并且强化层具有较好的均匀性。
Keyword二元光学 矩形孔径dammann光栅 激光加工 光束变换
Indexed ByCSCD
Language中文
CSCD IDCSCD:3430077
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/41396
Collection力学所知识产出(1956-2008)
Corresponding Author虞钢
Recommended Citation
GB/T 7714
虞钢,聂树真,郑彩云,等. 用于激光加工中的矩形孔径Dammann光栅光束变换技术[J]. 中国激光,2008,35,11,:1841-1847.
APA 虞钢,聂树真,郑彩云,&何秀丽.(2008).用于激光加工中的矩形孔径Dammann光栅光束变换技术.中国激光,35(11),1841-1847.
MLA 虞钢,et al."用于激光加工中的矩形孔径Dammann光栅光束变换技术".中国激光 35.11(2008):1841-1847.
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