title: Observation and analysis of spatial beats in a multimode dielectric optical waveguide.
abstract: Analysis of infrared images of spatial beats between two discrete modes in a single waveguide is shown to provide a useful consistency check on the thicknesses and refractive indices of the dielectric layers.
authors: R G
authors: RG
authors: Kaufman
authors: G
authors: G
authors: Hulse
authors: D J
authors: DJ
authors: Vezzetti
authors: M
authors: M
authors: Munowitz
authors: K
authors: K
authors: Stair
authors: T
authors: T
authors: Bird