title: Optical deflection tomography with the phase-shifting schlieren.
abstract: We present a new optical deflection tomography method that takes advantage of the phase-shifting schlieren. The reconstruction algorithm is based on filtered backprojection. The instrument is well adapted for three-dimensional imaging of spatially sparse objects exhibiting large refractive index variations. It achieves a 35 μm resolution with a 3 mm depth of field. Its performance is illustrated with a bundle of fibers immersed in a matching index solution.
authors.affiliation: Lambda-X SA, 37, Rue de l'Industrie, B-1400 Nivelles, Belgium.
authors.forename: Didier
authors.initials: D
authors.lastname: Beghuin
authors.forename: Jean-Luc
authors.initials: JL
authors.lastname: Dewandel
authors.forename: Luc
authors.initials: L
authors.lastname: Joannes
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Foumouo
authors.forename: Philippe
authors.initials: P
authors.lastname: Antoine