Scanning Characteristics of Metamirror Antennas with Subwavelength Focal Distance

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

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We investigate beam scanning by lateral feed displacement in novel metasurface-based reflector antennas with extremely short focal distances. Electric field distributions of the waves reflected from the antenna are studied numerically and experimentally for defocusing angles up to 24°. The results show that despite their subwavelength focal distances, the scanning ability of the metamirrors is similar to that of short-focus reflectarrays (focal distance about several wavelengths). In addition to offering a possibility to realize extremely small focal distances, metamirror antennas are practically penetrable and invisible for any radiation outside of the operating frequency range.

Yksityiskohdat

AlkuperäiskieliEnglanti
Artikkeli7467472
Sivut3656-3660
Sivumäärä5
JulkaisuIEEE Transactions on Antennas and Propagation
Vuosikerta64
Numero8
TilaJulkaistu - 1 elokuuta 2016
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

ID: 7050163