Unusual eigenmodes of wire-medium endoscopes

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Vovchuk, Dmytro
dc.contributor.author Kosulnikov, Sergei
dc.contributor.author Simovski, Constantin
dc.date.accessioned 2018-08-21T13:47:22Z
dc.date.available 2018-08-21T13:47:22Z
dc.date.issued 2018-07-09
dc.identifier.citation Vovchuk , D , Kosulnikov , S & Simovski , C 2018 , ' Unusual eigenmodes of wire-medium endoscopes : impact on transmission properties ' Optics Express , vol 26 , no. 14 , pp. 17988-18005 . DOI: 10.1364/OE.26.017988 en
dc.identifier.issn 1094-4087
dc.identifier.other PURE UUID: c203acfa-5704-4ecd-bef0-a8ed0e5d28db
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/unusual-eigenmodes-of-wiremedium-endoscopes(c203acfa-5704-4ecd-bef0-a8ed0e5d28db).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=85049605054&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/27086016/ELEC_vovchuk_et_al_unusual_eigenmodes_oe_26_14_17988.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/33553
dc.description.abstract Wire-medium endoscopes represent a promising tool of THz sensing/imaging. Bending should not critically harm the endoscope operation and the issue of bending losses is that of key importance for any endoscope. In this paper we show that the frequency-averaged power transmittance of a wire-medium endoscope is weakly sensitive to the bending. However, the frequency dispersion of the power loss/transmittance of the endoscope is strongly oscillating. Frequency maxima of the loss factor result from unusual eigenmodes of an elongated wire medium sample. These modes comprise power vortices and their sensitivity to the sample bending seems to be a critical issue for the future of wire-medium endoscopes. en
dc.format.extent 18
dc.format.extent 17988-18005
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Optics Express en
dc.relation.ispartofseries Volume 26, issue 14 en
dc.rights openAccess en
dc.subject.other Atomic and Molecular Physics, and Optics en
dc.subject.other 114 Physical sciences en
dc.subject.other 216 Materials engineering en
dc.title Unusual eigenmodes of wire-medium endoscopes en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Electronics and Nanoengineering
dc.contributor.department School common, ELEC
dc.subject.keyword Atomic and Molecular Physics, and Optics
dc.subject.keyword 114 Physical sciences
dc.subject.keyword 216 Materials engineering
dc.identifier.urn URN:NBN:fi:aalto-201808214686
dc.identifier.doi 10.1364/OE.26.017988
dc.type.version publishedVersion


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