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      Extracting power from sub-wavelength apertures by using electrically small resonators: Phenomenology, modeling, and applications

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      Author(s)
      Bilotti F.
      Di Palma L.
      Ramaccia, D.
      Toscano, A.
      Vegni L.
      Ateş, Damla
      Özbay, Ekmel
      Date
      2012
      Source Title
      2012 Loughborough Antennas & Propagation Conference (LAPC)
      Publisher
      IEEE
      Language
      English
      Type
      Conference Paper
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      Abstract
      In this contribution, we review our recent work on the extraction of the electromagnetic power from electrically small apertures by using metamaterial-inspired resonators. First, we present an antenna interpretation of the power transmission through sub-wavelength apertures and discuss the questioned concept of 'enhanced transmission'. Then, we present the so-called 'connected bi-omega particle' and the related analytical model. After that, exploiting proper numerical and experimental examples, we also show that the electromagnetic response of such a particle is not influenced by the surrounding environment. This unique property makes the particle a suitable candidate for the implementation of microwave components based on the selective power extraction from electrically small apertures. Finally, the application of the proposed concepts to the design of innovative microwave components, such as waveguide filters, diplexers, power-splitters, modal filters, horn antennas, etc. will be considered and demonstrated through proper numerical and experimental results. © 2012 IEEE.
      Keywords
      Connected bi-omega particle
      enhanced transmission
      metamaterial-inspired resonators
      power transmission through sub-wavelength aperture
      Diplexers
      Electromagnetic power
      Electromagnetic response
      Enhanced transmission
      Innovative microwave components
      Microwave components
      Modal filters
      Power extraction
      Small aperture
      Subwavelength apertures
      Surrounding environment
      Electric properties
      Electromagnetism
      Light transmission
      Metamaterials
      Power transmission
      Resonators
      Antennas
      Permalink
      http://hdl.handle.net/11693/28090
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/LAPC.2012.6402940
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      • Nanotechnology Research Center (NANOTAM) 1063
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