Such radiation is generated if the condition v SL > c is fulfilled, which is the conventional 'threshold' Cherenkov condition. It is shown that radiation processes can be interpreted as Cherenkov radiation, which is produced by a region of dynamic polarization moving along a target edge with superluminal velocity v SL. 215, Belgorod, 308034, Russian FederationĪn analysis of spectral-angular characteristics of diffraction radiation, both incoherent and coherent, has been performed. Kurchatova 1, Moscow, 123182, Russian Federationĭ Laboratory of Radiation Physics, Belgorod National Research University,, 308034, Belgorod, Russia, Koroleva str. Among them, Airy beams (actually an optical version of the Airy wavepacket in quantum mechanics 4) are the only diffraction-free solution in a (11)D configuration and have a unique feature, in. Lenina 30, Tomsk, 634050, Russian FederationĬ National Research Centre ‘Kurchatov Institute’, pl. A National Research Nuclear University ‘MEPhI’, Kashirskoe shosse 31, Moscow, 115409, Russian Federationī National Research Tomsk Polytechnic University, prosp.
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