Validation of electromagnetic field enhancement in near-infrared through Sierpinski fractal nanoantennas
Please cite this item using this persistent URL
http://hdl.handle.net/11693/25503Journal
Optics Express
Published as
http://dx.doi.org/10.1364/OE.22.019504Collections
- Research Paper [6026]
Publisher
Optical Society of American (OSA)
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.
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