The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
Subwavelength diameter fiber (SWDF) is a kind of optical fiber that its diameter is smaller than the wavelength propagated by it.
亚波长光纤是一种直径小于其所传输光波波长的光纤。
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The main contributions of this paper are as follows. 1. The antireflective performance of subwavelength gratings was investigated by the rigorous coupled-wave analysis method.