UV Laser Light Changes Surface Texture of Glass (IMAGE)

Optica

UV Laser Light Changes Surface Texture of Glass

Caption

These scanning electron microscope images reveal how UV laser light changes the surface texture and wettability of glass. Figures (a) and (b) reveal subtle texturing after lower-energy exposure to laser light. These textures made the surfaces more hydrophilic in (a) and more hydrophobic (water repellent) in (b). Higher energies produced a rougher and even more hydrophilic (wettable) (c) and (d) close-up of (c), surface.

Credit

Credit: <i>Optical Materials Express</i>.

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