Spatial profile reconstruction of individual components of the nonlinear susceptibility tensors chi (3) (z, omega ', omega ', -omega, omega) and chi (3) (z, 2 omega +/-omega ', +/-omega ', omega, omega) of a one-dimensionally inhomogeneous mediumстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We have proved for the first time and proposed an algorithm of unique spatial profile reconstruction of the components chi((3))(yyyy) of complex tensors (chi) over cap ((3)) (z, omega', omega', -omega, omega) and (chi) over cap ((3)) (z, 2 omega +/- omega', +/-omega', omega, omega), describing four-photon interaction of light waves in a one-dimensionally inhomogeneous plate, whose medium has a symmetry plane m(y) that is perpendicular to its surface. For the media with an additional symmetry axis 2(z), 4(z), 6(z) or infinity(z) that is perpendicular to the plate surface, the proposed method can be used to reconstruct about one-fifth of all independent components of the above tensors.