An AlTiN/TiN nano-layered hard coating on steel substrate.
Effects of single 200 fs laser pulse at 775 nm on the AlTiN/TiN coating.
Single fs laser pulse damage threshold of 0.41 J cm−2.
LIPSSs/ripples formation on the coating-steel system with fs laser irradiation.
Precise fs laser crater fabrication on coatings by 1000 pulses.