Femtosecond laser ablation of chalcogenide glass: explosive formation of nano-fibres against thermo-capillary growth of micro-spheres

被引：37
作者：
Juodkazis, Saulius [1 ,2 ]
Misawa, Hiroaki
Louchev, Oleg A.
Kitamura, Kenji
机构：
[1] Hokkaido Univ, CREST, JST, Kita Ku, Sapporo, Hokkaido 0010021, Japan
[2] Hokkaido Univ, Res Inst Elect Sci, Kita Ku, Sapporo, Hokkaido 0010021, Japan
来源：
NANOTECHNOLOGY | 2006年 / 17卷 / 19期
关键词：
13;
D O I：
10.1088/0957-4484/17/19/003
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Formation of nano-fibres ranging from 30 to 300 nm in diameter and exceeding the length of one millimetre was observed during explosive ablation of As2S3 glass by femtosecond pulses at high fluence (> 5 J cm(-2)) irradiation of the 800 nm wavelength, 160 fs duration pulses in air. Spheres of up to several microns in diameter were also found to form, competing with nano-fibre formation and significantly deteriorating their morphology. Theoretical analysis of thermo-capillary and heat exchange mechanisms of the fibre formation predicts conditions under which the good nano-fibre morphology can be preserved.
引用
收藏
页码：4802 / 4805
页数：4
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