Formation of long- and short-periodic nanoripples on stainless steel irradiated by femtosecond laser pulses

被引:87
|
作者
Hou, Shuangshuang [1 ]
Huo, Yanyan [1 ]
Xiong, Pingxin [1 ]
Zhang, Yi [1 ]
Zhang, Shian [1 ]
Jia, Tianqing [1 ]
Sun, Zhenrong [1 ]
Qiu, Jianrong [2 ]
Xu, Zhizhan [2 ]
机构
[1] E China Normal Univ, Dept Phys, State Key Lab Precis Spect, Shanghai 200062, Peoples R China
[2] Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
基金
中国国家自然科学基金;
关键词
SURFACE-STRUCTURES; SPECTROSCOPY; DAMAGE;
D O I
10.1088/0022-3727/44/50/505401
中图分类号
O59 [应用物理学];
学科分类号
摘要
In this paper, we report the formation of long-periodic (LP) ripples with a period of 530-600 nm and short-periodic (SP) ripples with a period of 260-320 nm on stainless steel irradiated by 800 nm femtosecond laser pulses. The split of LP ripples plays the decisive role in the formation of SP ripples. We further conduct pump-probe experiments and numerical simulations to study the ultrafast dynamics of the formation of surface periodic ripples.
引用
收藏
页数:7
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