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Dipolar resonances in conductive carbon micro-fibers probed by near-field terahertz spectroscopy
dc.creator | Khromova, Irina | es_ES |
dc.creator | Navarro Cía, Miguel | es_ES |
dc.creator | Brener, I. | es_ES |
dc.creator | Reno, J. L. | es_ES |
dc.creator | Ponomarev, A. | es_ES |
dc.creator | Mitrofanov, Oleg | es_ES |
dc.date.accessioned | 2018-12-28T09:14:02Z | |
dc.date.available | 2018-12-28T09:14:02Z | |
dc.date.issued | 2015 | |
dc.identifier.issn | 0003-6951 (Print) | |
dc.identifier.issn | 1077-3118 (Electronic) | |
dc.identifier.uri | https://hdl.handle.net/2454/31879 | |
dc.description.abstract | We observe dipole resonances in thin conductive carbon micro-fibers by detecting an enhanced electric field in the near-field of a single fiber at terahertz (THz) frequencies. Time-domain analysis of the electric field shows that each fiber sustains resonant current oscillations at the frequency defined by the fiber’s length. Strong dependence of the observed resonance frequency and degree of field enhancement on the fibers’ conductive properties enable direct non-contact probing of the THz conductivity in single carbon micro-fibers. We find the conductivity of the fibers to be within the range of 1–5 10 4 S/m. This approach is suitable for experimental characterization of individual doped semiconductor resonators for THz metamaterials and devices. | en |
dc.description.sponsorship | This work was supported by the Royal Society [Grant No. UF130493], RFBR [Project No. 14-22-02064 ofi-m] and Imperial College London [Junior Research Fellowship] and partially supported by the Government of the Russian Federation [Grant No. 074-U01]. | en |
dc.format.extent | 4 p. | |
dc.format.mimetype | application/pdf | en |
dc.language.iso | eng | en |
dc.publisher | AIP Publishing | en |
dc.relation.ispartof | Applied Physics Letters, 107, 021102 (2015) | en |
dc.rights | © 2015 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License. | en |
dc.rights.uri | https://creativecommons.org/licenses/by/3.0/ | |
dc.subject | Dipolar resonances | en |
dc.subject | Carbon micro-fibers | en |
dc.subject | Near-field terahertz spectroscopy | en |
dc.title | Dipolar resonances in conductive carbon micro-fibers probed by near-field terahertz spectroscopy | en |
dc.type | info:eu-repo/semantics/article | en |
dc.type | Artículo / Artikulua | es |
dc.contributor.department | Ingeniería Eléctrica y Electrónica | es_ES |
dc.contributor.department | Ingeniaritza Elektrikoa eta Elektronikoa | eu |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | en |
dc.rights.accessRights | Acceso abierto / Sarbide irekia | es |
dc.identifier.doi | 10.1063/1.4926628 | |
dc.relation.publisherversion | https://doi.org/10.1063/1.4926628 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | en |
dc.type.version | Versión publicada / Argitaratu den bertsioa | es |