Polarization-resolved near-field mapping of plasmonic aperture emission by a dual-SNOM system

  • Klein A
  • Janunts N
  • Steinert M
 et al. 
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Abstract

We study the polarization characteristics of light emission and collection in the near field by the tips of a Dual-SNOM (two scanning near-field optical microscopes) setup. We find that cantilevered fiber probes can serve as emitters of polarized light, or as polarization-sensitive detectors. The polarization characteristics depend on the fiber type used for tip fabrication. In Dual-SNOM measurements, we demonstrate mapping of different field components of the plasmonic dipole pattern emitted by an aperture probe.

Author-supplied keywords

  • Near-field optical microscopy
  • dipole
  • plasmonics
  • scanning probe microscopy
  • surface plasmon polariton

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Authors

  • Angela E. Klein

  • Norik Janunts

  • Michael Steinert

  • Andreas Tünnermann

  • Thomas Pertsch

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