Publications by authors named "Tetsuyuki Ohgai"
Article Synopsis
- The study examines how different laser pulse numbers and durations affect the formation of periodic surface structures on silicon carbide (SiC) substrates.
- As the number of laser pulses increases, surface structures transition from roughness with nanoparticles to laser-induced periodic surface structures (LIPSS) that have periods shorter than the laser wavelength.
- Crucially, maintaining the crystallinity of the surface is essential for achieving these transformations, as longer pulse widths can prevent LIPSS formation due to poly-crystallization of the irradiated area.
