Resonant Terahertz Absorption in Carbon Microfibres

I. Khromova, Oleg Mitrofanov, Miguel Navarro-Cia, Iñigo Liberal, I. Brener, J. Reno, L Melnikov, A. Ponomarev

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

Microsized carbon fibres exhibit strong resonant absorption at terahertz frequencies. Using near-field terahertz time-domain spectroscopy, we probe their conductivity by analysing the degree of field enhancement produced by plasmonic resonances. We demonstrate, theoretically and experimentally, the potential usability of carbon microfibres as terahertz absorbers with engineerable response.
Original languageEnglish
Title of host publicationAdvanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS), 2015 9th International Congress on
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages433
Number of pages435
ISBN (Print)978-88-941141-0-2
DOIs
Publication statusPublished - 2015

Keywords

  • Absorption
  • Resonant frequency
  • Time-domain analysis
  • Carbon
  • Spectroscopy
  • Plasmons
  • Conductivity

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