Near-field, broadband optical spectroscopy of metamaterials

Reuben M. Bakker, Vladimir P. Drachev, Hsiao Kuan Yuan, Vladimir M. Shalaev

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


Near-field, broadband optical spectroscopy of metamaterials is reported. A compact, easy to assemble supercontinuum light source, coupled with a near-field scanning optical microscope and spectrometer provide the means to locally probe the spectral response of a nanorod metamaterial sample. Spectral maps of near-field transmittance are obtained for the spectral range from 500 to 950 nm. In comparison to far-field measurement, the average of the near-field mappings shows a significant increase in transmittance. The uniqueness of the spectral maps and the increased transmittance indicates a strong nanoantenna effect between the sample and the plasmonic near-field aperture.

Original languageEnglish
Pages (from-to)137-140
Number of pages4
JournalPhysica B: Condensed Matter
Issue number2
Publication statusPublished - 15 May 2007
Externally publishedYes


  • Broadband spectroscopy
  • Metamaterials
  • Near-field scanning optical microscopy (NSOM)
  • Supercontinuum


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