Formation of periodic structures upon laser ablation of metal targets in liquids

被引:19
|
作者
Kazakevich, PV [1 ]
Simakin, AV [1 ]
Shafeev, GA [1 ]
机构
[1] Russian Acad Sci, AM Prokhorov Gen Phys Inst, Wave Res Ctr, Moscow 119991, Russia
关键词
laser ablation; periodic structures;
D O I
10.1070/QE2005v035n09ABEH009144
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Experimental data on the formation of ordered microstructures produced upon ablation of metal targets in liquids irradiated by a copper vapour laser or a pulsed Nd:YAG laser are presented. The structures were obtained on brass, bronze, copper, and tungsten substrates immersed in distilled water or ethanol. As a result of multiple-pulse laser ablation by a scanning beam, ordered microcones with pointed vertexes are formed on the target surface. The structures are separated by deep narrow channels. The structure period was experimentally shown to increase linearly with diameter of the laser spot on the target surface.
引用
收藏
页码:831 / 834
页数:4
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