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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 16 — Aug. 11, 2014
  • pp: 19504–19512

Validation of electromagnetic field enhancement in near-infrared through Sierpinski fractal nanoantennas

Semih Cakmakyapan, Neval A. Cinel, Atilla Ozgur Cakmak, and Ekmel Ozbay  »View Author Affiliations


Optics Express, Vol. 22, Issue 16, pp. 19504-19512 (2014)
http://dx.doi.org/10.1364/OE.22.019504


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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

OCIS Codes
(220.4241) Optical design and fabrication : Nanostructure fabrication
(250.5403) Optoelectronics : Plasmonics
(240.6695) Optics at surfaces : Surface-enhanced Raman scattering

ToC Category:
Plasmonics

History
Original Manuscript: June 2, 2014
Revised Manuscript: July 24, 2014
Manuscript Accepted: July 26, 2014
Published: August 5, 2014

Citation
Semih Cakmakyapan, Neval A. Cinel, Atilla Ozgur Cakmak, and Ekmel Ozbay, "Validation of electromagnetic field enhancement in near-infrared through Sierpinski fractal nanoantennas," Opt. Express 22, 19504-19512 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-16-19504


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