26 September 2013 Effect of laser fluence and shot numbers on the diameter of hole in gold film
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Abstract
In this paper, we demonstrated the fabrication of laser-induced holes in the gold film of 50nm thickness using 120fs laser pulses at 800nm wavelength in air environment. The surface morphologies¬microstructures and diameters of holes were characterized using atomic force microscopy (AFM). It was found that, there are two kinds of thresholds of laser fluence for the formation of holes. And the diameters of holes were influenced by pulse energy and shot numbers. Based on the investigation above, the origin of the holes was discussed.
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Yimeng Wang, Yimeng Wang, Yachen Gao, Yachen Gao, Jifeng Zu, Jifeng Zu, } "Effect of laser fluence and shot numbers on the diameter of hole in gold film", Proc. SPIE 8816, Nanoengineering: Fabrication, Properties, Optics, and Devices X, 88161L (26 September 2013); doi: 10.1117/12.2023450; https://doi.org/10.1117/12.2023450
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