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      Metamaterial inspired enhanced far-field transmission through a subwavelength nano-hole

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      Author
      Alici, K. B.
      Özbay, Ekmel
      Date
      2010-06-02
      Source Title
      Physica Status Solidi - Rapid Research Letters
      Print ISSN
      1862-6254
      Publisher
      WILEY
      Volume
      4
      Issue
      10
      Pages
      286 - 288
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      In the present study, we first demonstrate the polarization and orientation dependent transmission response of split ring resonators at the infrared and visible band. Then, we numerically demonstrate a configuration for the enhancement of power passing through an electrically small hole. By using deep subwavelength optical split ring resonator antennas and couplers we achieved a 400-fold enhanced transmission from a subwavelength aperture area of the electrical size Λ 2/25. The power was transmitted to the far field with 3.9 dBi directivity at 300 THz. (© 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) Transmission through a subwavelength aperture at the optical regime is quite low. The Letter by Alici and Ozbay shows how it can be enhanced and transferred to the far field by using a metamaterial inspired configuration composed of nano-scale split ring resonator antennas and couplers. A 400-fold power enhancement was achieved.
      Keywords
      Metamaterials
      Nano-antenna
      Split ring resonators
      Sub-wavelength optics
      Permalink
      http://hdl.handle.net/11693/22187
      Published Version (Please cite this version)
      http://dx.doi.org/10.1002/pssr.201004129
      Collections
      • Department of Electrical and Electronics Engineering 3524
      • Department of Physics 2299
      • Nanotechnology Research Center (NANOTAM) 1006
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