Slip on the surface of silicon wafers under laser irradiation: Scale effect

Jia Zhi-Chao^{1, 2}, Li Ze-Wen^{1, 2}, Zhou Jie^{1, 2}, Ni Xiao-Wu^{1, 2, †}

(color online) (a)–(c) OM images of sample 1 under pulsed laser irradiation with different irradiation time. Panel (c) shows the image at the rim of the ablation region. The average laser power is 50 W. The sizes are 80 μm × 60 μm.