Metamaterials, which were discussed at a meeting of the RAS Presidium, are artificially produced or composed media whose properties are determined by parameters of their elements and may be very unusual. Some metamaterials refract or reflect electromagnetic waves (light) in a way that is not available in nature. Others, such as photonic crystals, can stop (lock) electromagnetic waves or transmit them along channels (waveguides) that normally do not propagate such waves. The unique properties of metamaterials and their possible applications are discussed in the article below.
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Gulyaev et al. (2008) studied this question.
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