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dc.contributor.authorChen, Kuang Chengen_US
dc.contributor.authorYang, Jiun Wenen_US
dc.contributor.authorYang, Yueh-Chiehen_US
dc.contributor.authorKhin, Chang Fuen_US
dc.contributor.authorKehn, M. Ng Mouen_US
dc.date.accessioned2019-04-03T06:40:58Z-
dc.date.available2019-04-03T06:40:58Z-
dc.date.issued2017-10-30en_US
dc.identifier.issn1094-4087en_US
dc.identifier.urihttp://dx.doi.org/10.1364/OE.25.027405en_US
dc.identifier.urihttp://hdl.handle.net/11536/144005-
dc.description.abstractThe metasurface lens composing of 2D periodic metallic patches on a grounded dielectric slab possesses several advantages such as being light, low-profile, compact, and also cheap to manufacture. In this paper, a Luneburg lens synthesized by a metasurface and designated for use as a surface wave antenna is proposed. Two types of unit cell will be compared, one whose surface wave modal dispersion varies significantly with the grazing direction and another that does not. In the context of being applied as surface wave antennas, it will be shown that the Luneburg lens synthesized by the latter kind of unit cell provides improved performance as compared to the former. Several aperture sub-efficiencies of the metasurface-based Luneburg-lens antenna shall be used for the characterization of the radiation. A prototype of the designed lens antenna has also been manufactured. Measurement results agree well with theoretical predictions and the efficacy of this device over a fairly wide bandwidth has been experimentally demonstrated. (C) 2017 Optical Society of Americaen_US
dc.language.isoen_USen_US
dc.titlePlasmonic Luneburg lens antenna synthesized by metasurfaces with hexagonal latticesen_US
dc.typeArticleen_US
dc.identifier.doi10.1364/OE.25.027405en_US
dc.identifier.journalOPTICS EXPRESSen_US
dc.citation.volume25en_US
dc.citation.issue22en_US
dc.citation.spage27405en_US
dc.citation.epage27414en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000413995000086en_US
dc.citation.woscount1en_US
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