Direct fabrication of rotational femtosecond laser-induced periodic surface structure on a tilted stainless steel surface

This study investigated laser-induced periodic surface structures (LIPSS) produced on a tilted stainless steel surface with a pand s-polarized laser beam. Different types of LIPSS on the tilted surface were compared, and the direct fabrication of one-dimensional rotational low spatial frequency LIPSS (LSFL) on a tilted surface using a stationary s-polarized laser beam was demonstrated. In addition, by changing the laser scanning strategy, an area pattern covered with lightning-like structures and even the two-dimensional structures fabricated on the tilted surface we demonstrated. The evolution of LSFL at different line scanning regions was obtained, and the possible reason for the rotation of LSFL on tilted surfaces was presented.

Automated summary

This study investigated the laser-induced periodic surface structures (LIPSS) on a tilted stainless steel surface using both p and s-polarized laser beams. Different types of LIPSS were compared and the fabrication of one-dimensional rotational low spatial frequency LIPSS on a tilted surface was demonstrated. Additionally, changing the laser scanning strategy resulted in lightning-like structures and two-dimensional structures on the tilted surface.