%T Stochastic Ray Propagation in Stratified Random Lattices – Comparative Assessment of Two Mathematical Approaches %I University of Trento %K Percolation theory, Stochastic ray tracing, Optical ray propagation, Stratified random media %L elediasc12433 %D 2007 %A Anna Martini %A Luca Marchi %A Massimo Franceschetti %A Andrea Massa %X In this report, ray propagation in stratified semi-infinite percolation lattices consisting of a succession of uniform density layers is considered. The final version of this article is available at the url of the journal PIER: http://www.jpier.org/PIER/