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      • Department of Electrical and Electronics Engineering
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      Validation of electromagnetic field enhancement in near-infrared through Sierpinski fractal nanoantennas

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      Author(s)
      Cakmakyapan, S.
      Cinel, N.A.
      Cakmak, A.O.
      Özbay, Ekmel
      Date
      2014
      Source Title
      Optics Express
      Print ISSN
      10944087
      Publisher
      Optical Society of American (OSA)
      Volume
      22
      Issue
      16
      Pages
      19504 - 19512
      Language
      English
      Type
      Article
      Item Usage Stats
      240
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      161
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      Abstract
      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.
      Keywords
      Antennas
      Electromagnetic fields
      Substrates
      Bow-tie antennas
      Electromagnetic field enhancement
      Fractal geometry
      Fractalization
      Hot spot
      Near Infrared
      SERS substrate
      Sierpinski fractals
      Fractals
      Permalink
      http://hdl.handle.net/11693/25503
      Published Version (Please cite this version)
      http://dx.doi.org/10.1364/OE.22.019504
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      • Department of Electrical and Electronics Engineering 4012
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