Femtosecond laser ablation of polyethylene

被引：0
|
作者：
Okoshi, M [1 ]
Inoue, N [1 ]
机构：
[1] Natl Def Acad, Dept Elect & Elect Engn, Yokosuka, Kanagawa 2398686, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 2003年 / 42卷 / 1A-B期
关键词：
femtosecond laser; nanosecond laser; laser ablation; polyethylene; melt; chemical composition; laser fluence;
D O I：
10.1143/JJAP.42.L36
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A 790 nm, 130fs Ti:sapphire laser was used for the ablation of polyethylene. Compared to a 193 nm, 23 ns ArF laser, the ablated surface was precisely limited by the area exposed and a trace of the molten material could not be seen in the area. Moreover, the fs laser did not change the chemical composition of the ablated surface because of its low photon energy of 1.6 eV. The most suitable fluence range of the fs laser for ablating polyethylene was found to be from 60 to 100 mJ/cm(2).
引用
收藏
页码：L36 / L38
页数：3
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