Plume composition control in double pulse ultrafast laser ablation of metals

被引：39

作者：

Amoruso, Salvatore ^{[1
]}

Bruzzese, Riccardo

Wang, Xuan

机构：

[1] Univ Naples Federico 2, Coherentia CNR INFM, I-80126 Naples, Italy

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 25期

关键词：

Optical emission spectroscopy;

D O I：

10.1063/1.3276690

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ultrafast laser ablation of a metallic target induced by a pair of identical laser pulses temporally delayed from approximate to 1 to 2000 ps was studied by optical emission spectroscopy, imaging, and ion probe. Our experimental results demonstrate that plume excitation/ionization enhancement or nanoparticles reduction is achieved by properly delaying the two pulses. This possibility of controlling plume composition via an efficient coupling of the energy of the second pulse to the various ablation components produced by the first pulse is of particular interest in the process of material deposition and film growth. (C) 2009 American Institute of Physics. [doi:10.1063/1.3276690]

引用

页数：3

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