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Browsing School of Science and Technology (2015-2019) by Subject "superdirectivity"
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Valagiannopoulos, Constantinos; Tretyakov, S. A.
(IEEE, 2016)
We show that it is possible to realize a passive planar
reflector whose reflectivity (close to the resonant frequency of
the reflector structure) is larger than unity. This reflector is
strongly coupled to evanescent ...