title: Finite-difference field calculations for two-dimensionally confined x-ray waveguides.
abstract: A numerical method for calculation of the electromagnetic field in two-dimensionally confined x-ray waveguides is presented. It is based on the parabolic wave equation, which is solved by means of a finite-difference scheme. The results are verified by a comparison to analytical theory, namely, Fresnel reflectivity and the weakly guiding optical fiber.
authors.affiliation: Institut für Röntgenphysik, Universität Göttingen, Germany. cfuhse@uni-goettingen.de
authors.forename: Christian
authors.initials: C
authors.lastname: Fuhse
authors.forename: Tim
authors.initials: T
authors.lastname: Salditt