Deep drilling of metals by femtosecond laser pulses

被引：1
|
作者：
G. Kamlage
T. Bauer
A. Ostendorf
B.N. Chichkov
机构：
[1] Laser Zentrum Hannover e.V.,
[2] Hollerithallee 8,undefined
[3] 30419 Hannover,undefined
[4] Germany,undefined
来源：
Applied Physics A | 2003年 / 77卷
关键词：
PACS: 42.62.Cf; 42.65.Re; 52.38.Mf;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Results of recent investigations on deep drilling of metals by femtosecond laser pulses are reported. At high laser fluences, well above the ablation threshold, femtosecond lasers can drill deep, high-quality holes in metals without any post-processing or special gas environment. It is shown that for high-quality drilling of metals, the following processes are important: (1) laser-induced optical breakdown of air containing metal vapor and small metal particles (debris) generated by multi-pulse femtosecond laser ablation, (2) transformation of laser pulses into light filaments, and (3) low-fluence finishing.
引用
收藏
页码：307 / 310
页数：3
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