Resonating Terahertz Response of Periodic Arrays of Subwavelength Apertures

Fausto D’Apuzzo, Patrizio Candeloro, Fabio Domenici, M. Autore, Paola Di Pietro, Andrea Perucchi, P. Roy, Simona Sennato, Federico Bordi, Enzo M. Di Fabrizio, Stefano Lupi

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Extraordinary optical transmission (EOT) peaks mediated by plasmonic excitations can be observed in a variety of subwavelength patterned metallic surfaces. In this paper, we have fabricated and spectroscopically characterized plasmon devices exhibiting EOT peaks at terahertz (THz) frequencies. These devices, which resonate with intermediate and collective modes of macromolecules, can be used for detection of materials of biological interest and their performances have been experimentally determined by measuring the variation of the EOT frequencies for thin sub-micrometric organic layers deposited onto the device surface.
Original languageEnglish (US)
Pages (from-to)45-50
Number of pages6
JournalPlasmonics
Volume10
Issue number1
DOIs
StatePublished - Oct 11 2014

ASJC Scopus subject areas

  • Biochemistry
  • Biotechnology
  • Biophysics

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