Abstract
We theoretically and numerically studied the transmission of light through a subwavelength-perforated metal film in the presence of an external magnetic field. The perforated metal films are found to exhibit a magnetoinduced light transparency due to cyclotron resonance. The localized waveguide surface plasmon (SP) resonance mode and periodicity-structure-factor-induced SP resonance mode are discussed by application of a static magnetic field. The field distributions are localized separately on the left and right metal-air surfaces for structure-factor-induced resonance mode. And for localized cavities resonance mode, standing electromagnetic fields can also be entirely localized inside the nanohole region.
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