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      Multi-gap individual and coupled split-ring resonator structures

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      Author
      Penciu, R.S.
      Aydin, K.
      Kafesaki, M.
      Koschny Th.
      Özbay, Ekmel
      Economou, E.N.
      Soukoulis, C.M.
      Date
      2008
      Source Title
      Optics Express
      Print ISSN
      10944087
      Publisher
      Optical Society of American (OSA)
      Volume
      16
      Issue
      22
      Pages
      18131 - 18144
      Language
      English
      Type
      Article
      Item Usage Stats
      151
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      107
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      Abstract
      We present a systematic numerical study, validated by accompanied experimental data, of individual and coupled split ring resonators (SRRs) of a single rectangular ring with one, two and four gaps. We discuss the behavior of the magnetic resonance frequency, the magnetic field and the currents in the SRRs, as one goes from a single SRR to strongly interacting SRR pairs in the SRR plane. We show that coupling of the SRRs along the E direction results to shift of the magnetic resonance frequency to lower or higher values, depending on the capacitive or inductive nature of the coupling. Strong SRR coupling along propagation direction usually results to splitting of the single SRR resonance into two distinct resonances, associated with peculiar field and current distributions. © 2008 Optical Society of America.
      Keywords
      Atoms
      Magnetic fields
      Magnetic resonance
      Natural frequencies
      Numerical analysis
      Optical resonators
      Radio receivers
      Resonance
      Resonators
      Current distributions
      Experimental datums
      Magnetic resonance frequencies
      Numerical studies
      Propagation directions
      Rectangular rings
      Ring resonators
      Split ring resonators
      Ring gages
      Permalink
      http://hdl.handle.net/11693/22986
      Published Version (Please cite this version)
      http://dx.doi.org/10.1364/OE.16.018131
      Collections
      • Department of Electrical and Electronics Engineering 3624
      • Department of Physics 2365
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