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dc.contributor.authorHwang, Ruey-Bingen_US
dc.contributor.authorHsu, Neng-Chiehen_US
dc.contributor.authorChin, Cheng-Yuanen_US
dc.date.accessioned2014-12-08T15:21:34Z-
dc.date.available2014-12-08T15:21:34Z-
dc.date.issued2012-01-01en_US
dc.identifier.issn0018-926Xen_US
dc.identifier.urihttp://dx.doi.org/10.1109/TAP.2011.2167913en_US
dc.identifier.urihttp://hdl.handle.net/11536/15328-
dc.description.abstractA novel metamaterial-based beam splitter is demonstrated in this communication. The metamaterial is a three-dimensional (3 D) fishnet structure arranged in a two-dimensional (2 D) square lattice. According to Snell's law, the refracted wave from medium into air tends to be normal to the interface if the effective refractive index of medium is approximately zero. In light of this concept, the study presents a metamaterial with near-zero effective refractive index and an internal line source inside as excitation. Metallic flares with specific tilting angle were installed at four sides of the beam splitter to reduce reflection coefficient and match the impedance of the fishnet structure and free space. In addition to calculating the phase relation of eigenwaves in the metamaterial, this study measures the radiation patterns to verify its spatially beam-splitting characteristics.en_US
dc.language.isoen_USen_US
dc.subjectMetamaterialen_US
dc.subjectnear-zero refractive index mediumen_US
dc.subjectperiodic structuresen_US
dc.subjectspatial beam splitteren_US
dc.titleA Spatial Beam Splitter Consisting of a Near-Zero Refractive Index Mediumen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TAP.2011.2167913en_US
dc.identifier.journalIEEE TRANSACTIONS ON ANTENNAS AND PROPAGATIONen_US
dc.citation.volume60en_US
dc.citation.issue1en_US
dc.citation.spage417en_US
dc.citation.epage420en_US
dc.contributor.department電機工程學系zh_TW
dc.contributor.departmentDepartment of Electrical and Computer Engineeringen_US
dc.identifier.wosnumberWOS:000298887300050-
dc.citation.woscount4-
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