Browsing by Subject "Sierpinski fractals"

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    Validation of electromagnetic field enhancement in near-infrared through Sierpinski fractal nanoantennas
    (Optical Society of American (OSA), 2014) Cakmakyapan, S.; Cinel, N.A.; Cakmak, A.O.; Özbay, Ekmel
    We introduced fractal geometry to the conventional bowtie antennas. We experimentally and numerically showed that the resonance of the bowtie antennas goes to longer wavelengths, after each fractalization step, which is considered a tool to miniaturize the main bowtie structure. We also showed that the fractal geometry provides multiple hot spots on the surface, and it can be used as an efficient SERS substrate. © 2014 Optical Society of America.