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Static contact angle (●) and sliding angle (○) measurements of a water drop on structured Si surfaces plotted as a function of laser fluence. For fluences below 0.5 J∕cm2, the sliding angles are higher than the 30° limit of our measurement setup. The lines are guides to the eye. Reproduced with permission from V. Zorba et al., Appl. Phys. A: Mater. Sci. Process. 93, 819 (2008). Copyright 2008. Springer.
