title: Anomalous light scattering from a perturbed grating.
abstract: Both diffraction orders and backscattering enhancement have been observed in light scattering from a metallic diffraction grating with random groove depths. The polarization dependence of the observations is shown to be consistent with multiple-scattering models.
authors.affiliation: The School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.
authors.forename: M E
authors.initials: ME
authors.lastname: Knotts
authors.forename: K A
authors.initials: KA
authors.lastname: O'Donnell