One method to fabricate super-hydrophobic aluminum surfaces by using nanosecond fiber lasers is proposed.After the laser-processed samples are baked,a series of aluminum surfaces with different wetting properties are obtained.A super-hydrophobic surface can be obtained by increasing the laser fluence.The study results show that,with the increase of laser fluence,not only the aluminum surface roughness increases,but also a clear micro-nano two-level structure is formatted.The area ratio between air and the t...