title: In-focus monochromator: theory and experiment of a new grazing incidence mounting.
abstract: A varied-space grating mounted to both rotate and translate constitutes a practical single element fixed slit monochromator which is in focus at all wavelengths.
  
  
  BACKGROUND
  Monochromators, diffraction gratings, grazing incidence, x-ray optics.
authors.forename: M C
authors.initials: MC
authors.lastname: Hettrick