Multilocalization and the van Cittert–Zernike theorem 1 Theory
Silvia A. Comastri, Juan M. Simon, Catherine Tardin · Journal of the Optical Society of America A · 2000
The complex degree of coherence and the resulting van Cittert-Zernike theorem are employed to analyze the exit of an arbitrary amplitude-division interferometer with two-beam interferences. Considering that the source is a periodic array of spatially incoherent slits and assuming negligible equivalent aberrations and no vignetting, an expression for the complex degree of coherence as a function of the position of an exit point is derived. Formulas for the location, fringe spacing, and fringe localization depth of the multilocalized fringes are given.