Tiny micro- and nanoscale structures within a material’s surface are invisible to the naked eye, but play a big role in determining a material’s physical, chemical, and biomedical properties.
Over the past few years, Chunlei Guo and his research team at the University of Rochester have found ways to manipulate those structures by irradiating laser pulses to a material’s surface. They’ve altered materials to make them repel water, attract water, and absorb great amounts of light — all without any type of coating.
Now, Guo, Anatoliy Vorobyev, and Ranran Fang, researchers at the University’s Institute of Optics, have advanced the research another step forward. They’ve developed a technique to visualize, for the first time, the complete evolution of micro- and nanoscale structural formation on a material’s surface, both during and after the application of a laser pulse.
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Image Credit: Guo Lab
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