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21 September 2011 Nanostructures created by interfered femtosecond laser
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The method by applying the interfered femtosecond laser to create nanostructured copper (Cu) surface has been studied. The nanostructure created by direct laser irradiation is also realized for comparison. Results show that more uniform and finer nanostructures with sphere shape and feature size around 100 nm can be induced by the interfered laser illumination comparing with the direct laser illumination. This offers an alternative fabrication approach that the feature size and the shape of the laser induced metallic nanostructures can be highly controlled, which can extremely improve its performance in related application such as the colorized metal, catalyst, SERS substrate, and etc.
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Chao Wang, Yun-Ching Chang, Jimmy Yao, Claire Luo, Shizhuo Yin, Paul Ruffin, Christina Brantley, and Eugene Edwards "Nanostructures created by interfered femtosecond laser", Proc. SPIE 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V, 81201K (21 September 2011);

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