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https://hdl.handle.net/2440/63705
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dc.contributor.author | Atakaramians, S. | - |
dc.contributor.author | Afshar Vahid, S. | - |
dc.contributor.author | Nagel, M. | - |
dc.contributor.author | Rasmussen, H. | - |
dc.contributor.author | Bang, O. | - |
dc.contributor.author | Monro, T. | - |
dc.contributor.author | Abbott, D. | - |
dc.date.issued | 2011 | - |
dc.identifier.citation | Applied Physics Letters, 2011; 98(12):1-3 | - |
dc.identifier.issn | 0003-6951 | - |
dc.identifier.issn | 1077-3118 | - |
dc.identifier.uri | http://hdl.handle.net/2440/63705 | - |
dc.description.abstract | We 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.statementofresponsibility | Shaghik Atakaramians, Shahraam Afshar V., Michael Nagel, Henrik K. Rasmussen, Ole Bang, Tanya M. Monro, and Derek Abbott | - |
dc.language.iso | en | - |
dc.publisher | Amer Inst Physics | - |
dc.rights | © 2011 American Institute of Physics | - |
dc.source.uri | http://dx.doi.org/10.1063/1.3568892 | - |
dc.title | Direct probing of evanescent field for characterization of porous terahertz fibers | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1063/1.3568892 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/DP0556112 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/DP0880436 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Abbott, D. [0000-0002-0945-2674] | - |
Appears in Collections: | Aurora harvest IPAS publications |
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