S. Bugaychuk, L. Pryadko, I. Pryadko, O. Kolesnyk, R. Conte, V. Gnatovskiy, A. Negriyko
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引用次数: 0
Abstract
The peculiarities of managements of optical beams on controlled diffraction gratings are investigating both theoretically and experimentally. The gratings are distinguished by non-uniform phase contrast along a thickness of a sample in the direction of wave propagation. The manipulation of a space shift between the light grating and the refractive-index grating is taken into account as well. The self-consistent problem of the self-diffraction of waves from shifter gratings gives that the intensity profile gets a soliton-like envelope along the thickness of the sample. We show that energy transfer is increased for a weak beam due to diffraction on a grating, which has a profile of a phase contrast in a form of a sech-function obtained from a self-consistent task.