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      Observation of defect formation in metamaterials

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      Author
      Caglayan H.
      Bulu I.
      Loncar, M.
      Ozbay, E.
      Date
      2008
      Journal Title
      Optics InfoBase Conference Papers
      ISSN
      21622701
      Publisher
      Optical Society of America
      Language
      English
      Type
      Conference Paper
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      Please cite this item using this persistent URL
      http://hdl.handle.net/11693/26907
      Abstract
      We report subwavelength localization of electromagnetic fields within cavities based on metamaterials. Cavity resonances are observed in the transmission spectrum of a split ring resonator and composite metamaterials cavity structures. These cavity resonances are shown to exhibit high quality factors. Since the unit cells of metamaterials are much smaller than the operation wavelength, subwavelength localization is possible within these metamaterial cavity structures. In the present paper, we show that the electromagnetic field is localized into a region of λ/8, where λ is the cavity resonance wavelength.
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      • Department of Electrical and Electronics Engineering 2964
      • Department of Physics 2031

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