Abstract

The problem of diffraction by planar metal nanodipoles is solved. The permittivity of metal in the optical band is taken into account. The proposed mathematical model is based on approximate boundary conditions for thin dielectric films. The characteristics of copper and golden nanoantennas are theoretically investigated. It is noted that the wavelength dependence of the scattered field has a resonance character and that the resonance wavelengths of nanodipoles are larger than the resonance wavelengths of a perfectly conducting dipole of the same dimension.

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