Microstructuring of silicon with femtosecond laser pulses

被引:746
作者
Her, TH [1 ]
Finlay, RJ
Wu, C
Deliwala, S
Mazur, E
机构
[1] Harvard Univ, Cambridge, MA 02138 USA
[2] No Telecom, Ottawa, ON K1Y 4H7, Canada
[3] Sci Res Lab Inc, Somerville, MA 02143 USA
关键词
D O I
10.1063/1.122241
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report that silicon surfaces develop an array of sharp conical spikes when irradiated with 500 laser pulses of 100-fs duration, 10-kJ/m(2) fluence in 500-Torr SF6 or Cl-2. The spikes are up to 40-mu m tall, and taper to about 1-mu m diam at the tip. Irradiation of silicon surfaces in N-2. Ne, or vacuum creates structured surfaces, but does not create sharp conical spikes. (C) 1998 American Institute of Physics.
引用
收藏
页码:1673 / 1675
页数:3
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