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

Yi Hsien Liu, Yu Kai Tseng, Chung Wei Cheng*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This study investigated laser-induced periodic surface structures (LIPSS) produced on a tilted stainless steel surface with a p- and 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.

Original languageEnglish
Article number106648
JournalOptics and Laser Technology
Volume134
DOIs
StatePublished - Feb 2021

Keywords

  • Femtosecond laser
  • Laser-induced periodic surface structure
  • LIPSS
  • LSFL

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