Fig. 1. Schematic of reflection on rolled strip steel

Fig. 2. Coherent irradiance of reflection light of convex microstructure with different random distribution. (a) Evenly spaced center distance; (b) uniform distribution; (c) Gaussian distribution

Fig. 3. Coherent irradiance of reflection light of uniformly distributed convex microstructures with different center distances. (a) 100μm; (b) 150μm

Fig. 4. Optical path of laser impact experiment and curves of textured pit morphology. (a) Optical path of laser impact experiment; relationship between laser impact condition and textured pit morphology: (b) different energy density; (c) different number of impacts; (d) different impact mode

Fig. 5. Optical image and roughness of laser textured roll material sample