Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/63705
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dc.contributor.authorAtakaramians, S.-
dc.contributor.authorAfshar Vahid, S.-
dc.contributor.authorNagel, M.-
dc.contributor.authorRasmussen, H.-
dc.contributor.authorBang, O.-
dc.contributor.authorMonro, T.-
dc.contributor.authorAbbott, D.-
dc.date.issued2011-
dc.identifier.citationApplied Physics Letters, 2011; 98(12):1-3-
dc.identifier.issn0003-6951-
dc.identifier.issn1077-3118-
dc.identifier.urihttp://hdl.handle.net/2440/63705-
dc.description.abstractWe develop a technique based on a micromachined photoconductive probe-tip to characterize a terahertz (THz) porous fiber. Losses less than 0.08 cm-1 are measured in the frequency range from 0.2 to 0.35 THz, with the minimum of 0.003 cm-1 at 0.24 THz. Normalized group velocity greater than 0.8, which corresponds to dispersion values in between -1.3 and -0.5 ps/m/μm for 0.2<f<0.35 THz are obtained. Moreover, we directly measure the evanescent electric field as a function of frequency. Good agreement between the measured curves and expected theoretical values indicates the low invasiveness of the applied probe-tip. © 2011 American Institute of Physics.-
dc.description.statementofresponsibilityShaghik Atakaramians, Shahraam Afshar V., Michael Nagel, Henrik K. Rasmussen, Ole Bang, Tanya M. Monro, and Derek Abbott-
dc.language.isoen-
dc.publisherAmer Inst Physics-
dc.rights© 2011 American Institute of Physics-
dc.source.urihttp://dx.doi.org/10.1063/1.3568892-
dc.titleDirect probing of evanescent field for characterization of porous terahertz fibers-
dc.typeJournal article-
dc.identifier.doi10.1063/1.3568892-
dc.relation.granthttp://purl.org/au-research/grants/arc/DP0556112-
dc.relation.granthttp://purl.org/au-research/grants/arc/DP0880436-
pubs.publication-statusPublished-
dc.identifier.orcidAbbott, D. [0000-0002-0945-2674]-
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