title: Fourier analysis applied to the characterization of optical wedges with small angles.
abstract: A technique for the measurement of optical wedge parameters is shown. It is based on the analysis of the Fourier transform of an interferogram-intensity register. In this domain the angle and the edge orientations of the optical wedge can be determined through a much simpler procedure than the usual interferogram fringe analysis.
authors.affiliation: Department of Physics, Universidad Nacional de Colombia Sede Medellín, A. A. 3840, Medellín, Colombia. rcastane@perseus.unalmed.edu.co
authors.forename: R
authors.initials: R
authors.lastname: Castañeda
authors.forename: J
authors.initials: J
authors.lastname: García-Sucerquia