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Pneumatically switchable graded index metamaterial lens

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Khodasevych, I. E.; Shadrivov, I. V.; Powell, D. A.; Rowe, W. S. T.; Mitchell, A.

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A low-profile pneumatically switchable graded index metamaterial lens operating at 9 GHz is proposed and practically demonstrated. An effective graded refractive index is engineered using an array of electric resonators of differing resonant frequency. Normal orientation of the resonators allows ultrathin single metamaterial layer lens design. Switching between focusing and non-focusing states is practically demonstrated by shorting the gaps in split ring resonators and eliminating the resonant...[Show more]

dc.contributor.authorKhodasevych, I. E.
dc.contributor.authorShadrivov, I. V.
dc.contributor.authorPowell, D. A.
dc.contributor.authorRowe, W. S. T.
dc.contributor.authorMitchell, A.
dc.date.accessioned2015-09-21T04:21:18Z
dc.date.available2015-09-21T04:21:18Z
dc.identifier.issn0003-6951
dc.identifier.urihttp://hdl.handle.net/1885/15602
dc.description.abstractA low-profile pneumatically switchable graded index metamaterial lens operating at 9 GHz is proposed and practically demonstrated. An effective graded refractive index is engineered using an array of electric resonators of differing resonant frequency. Normal orientation of the resonators allows ultrathin single metamaterial layer lens design. Switching between focusing and non-focusing states is practically demonstrated by shorting the gaps in split ring resonators and eliminating the resonant response and the phase difference between the elements across the lens with pneumatically actuated metal patches that are pressed against the gaps of the resonators as the pressure in the chamber is reduced.
dc.format4 pages
dc.publisherAmerican Institute of Physics
dc.rightshttp://www.sherpa.ac.uk/romeo/issn/0003-6951..."Publishers version/PDF may be used on author's personal website, institutional website or institutional repository" from SHERPA/RoMEO site (as at 21/09/15). Copyright 2013 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters and may be found at https://doi.org/10.1063/1.4788918
dc.sourceApplied Physics Letters
dc.subjectKeywords: Graded index; Graded refractive indices; Lens designs; Metal patch; Metamaterial lens; Normal orientation; Phase difference; Resonant response; Split ring resonator; Switchable; Ultra-thin; Metamaterial antennas; Metamaterials; Natural frequencies; Resona
dc.titlePneumatically switchable graded index metamaterial lens
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume102
dc.date.issued2013-01-15
local.identifier.absfor020500
local.identifier.absfor020300
local.identifier.ariespublicationf5625xPUB2380
local.publisher.urlhttps://www.aip.org/
local.type.statusPublished Version
local.contributor.affiliationKhodasevych, I.E., RMIT University, Australia
local.contributor.affiliationShadrivov, Ilya, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Nonlinear Physics Centre, The Australian National University
local.contributor.affiliationPowell, David, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Nonlinear Physics Centre, The Australian National University
local.contributor.affiliationRowe, W.S.T., RMIT University, Australia
local.contributor.affiliationMitchell, A., RMIT University, Australia
local.bibliographicCitation.issue3
local.bibliographicCitation.startpage031904
local.identifier.doi10.1063/1.4788918
dc.date.updated2016-02-24T08:57:22Z
local.identifier.scopusID2-s2.0-84872893840
local.identifier.thomsonID000314032600032
CollectionsANU Research Publications

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