2 papers
physics.app-ph2019
Direct micro-structuring of Si(111) surfaces through nanosecond-laser Bessel beams
Erkan Demirci, Elif Turkan Aksit Kaya, Ramazan Sahin
We present here a nanosecond laser ablation of Si(111) wafer with diffraction-free (Bessel-) beams. First, the Axicon a conical shaped optical element for beam shaping is char…
physics.app-ph2018
Nanosecond laser ablation of Si(111) under an aqueous medium
Erkan Demirci, Elif Turkan Aksit Kaya, Ramazan Sahin
Nanosecond laser ablation of p-type Si(111) wafer is presented under an ambient, a water and a glycerin conditions. Effects of pulse energy, number of pulses and type of environmen…