纳秒激光烧蚀下液态金属表面微结构的形成

TARASENKO V F; PANCHENKO A N; BULGAKOVA N M; SHULEPOV M A; TEL'MINOV A E; 李殿军; 张来明; 姜可; 谢冀江

纳秒激光烧蚀下液态金属表面微结构的形成

1.
俄罗斯科学院西伯利亚分院强电流研究所, 托木斯克 634055;
2.
中国科学院长春光学精密机械与物理研究所, 激光与物质相互作用国家重点实验室, 吉林长春 130033;
3.
俄罗斯西伯利亚分院热物理研究所, 新西伯利亚 630090

基金项目:

Supported by Russian Foundation for Basic Research Project(No.09-08-00880)

详细信息

中图分类号: TN249
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出版历程
- 收稿日期: 2010-08-11
- 修回日期: 2010-10-13
- 刊出日期: 2011-02-25

Formation of microstructure on liquid metal surface under nanosecond laser ablation

1.
Institute of High Current Electronics Siberia Branch of the Russian Academy of Sciences,Tomsk 634055;
2.
State Key Laboratory of Laser Interaction with Matter,Changchun Institute of Optics, Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;
3.
Institute of Thermophysics Siberia Branch of the Russian Academy of Sciences,Novosibirsk 630090,Russia

Funds:

Supported by Russian Foundation for Basic Research Project(No.09-08-00880)

摘要

摘要: 首次发现了在不同保护气体及多脉冲UV-IR激光的照射下,液态金属的微型突起和微结构的形成。测量表明,针对不同的金属和保护气,这种结构的单脉冲生成速率可达(5~20) m/pulse,形成了长度为1~2 mm,直径约为焦点两倍的单个微型突起。最后,介绍了控制微结构形状的可能性,并讨论了它们的应用潜力。
- 液态金属 /
- 表面 /
- 微结构 /
- 纳秒激光烧蚀
Abstract: Formations of stable micro-protrusions and microstructures on the surfaces of liquid metals during multipulse action of a UV-IR laser in different ambient gases was discovered for the first time. The rate of the structure formation was measured, which can reach 5-20 m/pulse depending on the metal and ambient gas sort. Single micro-protrusions of 1-2 mm in length were formed with the diameter approximately two times greater than the focal spot size. The possibility to control the microstructure shape was shown and their potential applications were also discussed.
- liquid metal /
- surface /
- microstructure /
- nanosecond laser ablation

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参考文献(1)

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