Study of statistical optical fields in vicinity of zero-crossing

The results on investigation of a thin structure of optical speckle fields about so-called zero-amplitude points are presented. Connection among the object's characteristics, on the one hand, and polarization features of the field about zero-amplitude points, on the other hand, is discussed. It is shown that the polarization state in the vicinity of zero-amplitude points is of deterministic nature. Various polarization states vs the kind of dislocation realized are considered.