Proceedings PaperThe self-imaging phenomenon and its applications
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The self-imaging effect can be obtained as the result of the diffraction of a plane wave by the periodic structure. It is known as the Talbot effect. The self-imaging phenomenon is discussed here also from the new viewpoint as a class of the propagation-invariant wavefields. The repetition of an object can be achieved by the superposition of nondiffracting beams.