Abstract
The propagation of an electromagnetic wave through a barrier with a periodic structure is considered. An interesting manifestation of electromagnetic wave tunneling through a barrier with a periodic structure is revealed. Specifically, it is theoretically and experimentally shown that, when an electromagnetic wave passes through a medium with a periodic structure in the diffraction mode within a photonic band gap, the field in the medium is localized near its boundaries. Theoretical calculations have been performed for a cholesteric liquid crystal layer of finite thickness and for a 1D photonic crystal. The experiment was carried out with perfect Si single crystals in reflection from the \( (2\bar 20)\) and \( (4\bar 40)\) planes using MoK α X rays.
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Original Russian Text © A.H. Gevorgyan, R.Ts. Gabrielyan, M.A. Navasardyan, 2009, published in Optika i Spektroskopiya, 2009, Vol. 107, No. 5, pp. 832–837.
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Gevorgyan, A.H., Gabrielyan, R.T. & Navasardyan, M.A. Tunneling of electromagnetic waves through a barrier with a periodic structure. Opt. Spectrosc. 107, 790–795 (2009). https://doi.org/10.1134/S0030400X09110174
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DOI: https://doi.org/10.1134/S0030400X09110174