@article {Alonso:10 May 2006:0950-0340:969, author = "Alonso, Miguel A.", author = "Korotkova, Olga", author = "Wolf, Emil", title = "Propagation of the electric correlation matrix and the van CittertZernike theorem for random electromagnetic fields", journal = "Journal of Modern Optics", volume = "53", year = "10 May 2006", abstract = "The basic mathematical tool of the theory of random, statistically stationary electromagnetic optical fields is a 3?×?3 correlation matrix of its electric field. In this paper we derive formulae for propagation of this matrix from a plane z ?=?0 into the half-space z ?>?0, and we find an analogue for electromagnetic fields to the propagation law derived by Zernike for scalar fields.", pages = "969-978(10)", url = "http://www.ingentaconnect.com/content/tandf/tmop/2006/00000053/00000007/art00006" doi = "doi:10.1080/09500340500419821" }