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Active negative-index metamaterial powered by an electron beam

dc.contributor.author Alù, A
dc.contributor.author Shapiro, MA
dc.contributor.author Shvets, G
dc.contributor.author Temkin, RJ
dc.contributor.author Trendafilov, S
dc.contributor.author Urzhumov, Yaroslav A
dc.date.accessioned 2013-07-11T22:34:14Z
dc.date.issued 2012-08-21
dc.identifier.issn 1098-0121
dc.identifier.uri http://hdl.handle.net/10161/7572
dc.description.abstract An active negative index metamaterial that derives its gain from an electron beam is introduced. The metamaterial consists of a stack of equidistant parallel metal plates perforated by a periodic array of holes shaped as complementary split-ring resonators. It is shown that this structure supports a negative-index transverse magnetic electromagnetic mode that can resonantly interact with a relativistic electron beam. Such a metamaterial can be used as a coherent radiation source or a particle accelerator. © 2012 American Physical Society.
dc.description.sponsorship U.S. Department of Energy Grants No. DE-FG02-04ER41321 and No. DE-FG02-91ER40648.
dc.language.iso en_US
dc.relation.ispartof Physical Review B - Condensed Matter and Materials Physics
dc.relation.isversionof 10.1103/PhysRevB.86.085132
dc.title Active negative-index metamaterial powered by an electron beam
dc.type Journal article
duke.description.volume 86
dc.relation.journal Physical Review B
pubs.begin-page 085132
pubs.issue 8
pubs.organisational-group Duke
pubs.organisational-group Electrical and Computer Engineering
pubs.organisational-group Pratt School of Engineering
pubs.publication-status Published
pubs.volume 86
dc.identifier.eissn 1550-235X


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