Anomalous transmission of electromagnetic wave through periodic arrays of subwavelength slits arranged on thin metal films
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We study the optical properties of periodic structures, each of which consists of arrays of subwavelength slits in thick films that are placed directly against a continuous thin film. We find that the transmittance of the entire system including the thin film is higher than the transmittance of the isolated thin film alone. Our investigations are performed through numerical simulations with the Fourier modal method.
KeywordsSlit Width Surface Plasmon Polaritons Transmittance Peak Periodic Array Continuous Film
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