Spatiotemporal Visualization of THz Near-Fields in Metamaterial Arrays

  • Hannes Merbold
  • Andreas Bitzer
  • Florian Enderli
  • Thomas Feurer
Article

Abstract

We present an experimental approach to record the spatiotemporal electric field distribution of coherent broadband THz pulses propagating through planar metamaterial arrays. The electric field can be measured with sub-wavelength precision within a volume that is several wavelengths in size, thus, having the potential to map the near-field to far-field transition of the resonant structures constituting the metamaterial. To demonstrate the potential we present measurements of THz pulses propagating through a planar array of double split-ring resonators and their inverse analogues.

Keywords

Split-ring resonators Metamaterials THz polaritonics Near-field imaging 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Hannes Merbold
    • 1
  • Andreas Bitzer
    • 1
  • Florian Enderli
    • 1
  • Thomas Feurer
    • 1
  1. 1.Institute of Applied PhysicsUniversity of BernBernSwitzerland

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