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In the recent decade, there has been growing interest in the electrodynamics of materials characterized by negative refractive index. These materials have been introduced into consideration by V. G. Veselago (1967). The progress in the nanotechnology of composite materials made it possible to design new materials whose properties can be explained by assuming that the refractive index of these materials is negative [Smith (2000), Shelby(2001)]. Some authors [Pendry (2000), Lagarkov (2004)] suggested that these materials with negative refraction allow one to overcome the diffraction limit in optical devices. This thesis has met many objections [Williams (2001)], which are not absolutely indisputable [Pendry (2001).]. Nevertheless, the concept of a superlens (in the form of a layer of medium with negative refraction), which was proposed in [Pendry (2000)] and allows one to completely overcome the diffraction limit in the ideal case, has found many supporters (see, for example, [Cui (2005), Chen (2006), Alitalo (2007), Cheng (2005), Scalora (2007), Podolskiy (2005)] and references therein). The superlens, as proposed by Pendry (2000), is a plane plate of material with negative refractive index. The geometry of rays originated from a point source

Application of Media with Negative Refraction Index to Electromagnetic Imaging. Fundamental Aspects.