Pair of binary diffraction optics for use in overfilled raster output scanning systems

Abstract

An optical system is disclosed which utilizes a pair of binary diffraction optic lenses to reprofile the intensity of a light beam. Both binary diffraction optic lenses have a plurality of segments. Depending on the shape of a desired intensity profile, each segment of the first binary diffraction optic lens either diverges or converges a portion of a light beam and as needed deflects the same portion of the beam. The second binary diffraction optic lens, which is located down stream of the first binary diffraction optic lens, has an equal number of segments as the first binary diffraction optic lens. Each segment of the second binary diffraction optic lens receives the light beam from a respective segment of the first binary diffraction optic lens and collimates the light beam.

Dependencies are inferred from the claim text.