Title :
Laser fluence dependence of periodic structures on metals produced by femtosecond double pulse laser
Author :
Hashida, M. ; Gemini, L. ; Nishii, T. ; Miyasaka, Y. ; Sakagami, H. ; Inoue, S. ; Limpouch, J. ; Mocek, T. ; Sakabe, S.
Author_Institution :
Inst. for Chem. Res., Kyoto Univ. Uji, Uji, Japan
Abstract :
The formation mechanism of LIPSS has been investigated for titanium irradiated by double pulse. We found that variation of the surface plasma density characterized by first pulse led to a variation of the grating interspaces.
Keywords :
high-speed optical techniques; laser materials processing; periodic structures; plasma density; plasma production by laser; titanium; LIPSS; femtosecond double pulse laser; grating interspaces; laser fluence dependence; laser induced periodic surface structures; periodic structures; surface plasma density; Gratings; Laser beams; Metals; Plasmas; Radiation effects; Surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
