Abstract
The problem of diffraction of an optical wave by a 2D periodic metal aperture array with square, circular, and ring apertures is solved with allowance for the finite permittivity of a metal in the optical band. The correctness of the obtained results is verified through comparison with experimental data. It is shown that the transmission coefficient can be substantially greater than the corresponding value reached in the case of diffraction by a grating in a perfectly conducting screen.
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Original Russian Text © D.E. Zelenchuk, I.A. Kaz’min, A.M. Lerer, V.V. Makhno, P.V. Makhno, 2009, published in Radiotekhnika i Elektronika, 2009, Vol. 54, No. 4, pp. 418–422.
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Zelenchuk, D.E., Kaz’min, I.A., Lerer, A.M. et al. Solving the problem of diffraction of an optical-band electromagnetic wave by metal nanostructured aperture arrays with the use of the method of impedance boundary conditions. J. Commun. Technol. Electron. 54, 399–403 (2009). https://doi.org/10.1134/S1064226909040044
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DOI: https://doi.org/10.1134/S1064226909040044