首页|Extraordinary transmission through periodic arrays of subwavelength metal by coating
Extraordinary transmission through periodic arrays of subwavelength metal by coating
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NETL
NSTL
Trans Tech Publications Ltd
In this paper, some virtuallab experiments have been done, in which the we get extraordinary transmission phenomenon by adding dielectric coating in the subwavelength periodic metallic slits. It is proved that dielectric coatings on the metal films can excite a surface wave which is transmitted in the metal slits by dielectric waveguides, and the symmetric wrapped dielectric cladding around the metal gains almost 10 times as great transmission as two surfaces cladding does. The paper explores a preliminary physics mechanism of this extraordinary transmission, which gets some valuable results in the application fields.
NETL
NSTL
Trans Tech Publications Ltd
