Abstract: An optical beam is selectively output towards a scanner in accordance with image data for a scan line of an image. The optical beam has a beam irradiance distribution that is elliptical in shape. The optical beam passes through an aperture stop, ordinarily creating side lobes within a focus irradiance distribution of the optical beam. The scanner scans the optical beam to form the scan line on a photosensitive surface by selectively exposing positions along the scan line in accordance with image data. The optical beam is modified before it reaches the photosensitive surface to substantially remove the side lobes that have been created within the focus irradiance distribution and/or to substantially prevent the side lobes from being created within the focus irradiance distribution of the optical beam.

Abstract: A scan lens for an imaging device includes first, second, third, and fourth lens elements optically positioned in ascending numeric order between a scanning component and an imaging surface. The first lens element has an optical power in an in-scan direction of the imaging device and an optical power in a cross-scan direction of the imaging device, the optical power in the cross-scan direction being positive and greater than the optical power in the in-scan direction. The second lens element has a negative optical power in the in-scan and cross-scan directions. The third lens element has a positive optical power in the in-scan direction and cross-scan directions. The fourth lens element has an optical power in the in-scan direction and a positive optical power in the cross-scan direction, the optical power in the cross-scan direction being greater than the optical power in the in-scan direction.

Abstract: A scan lens for an imaging device includes first, second, third, and fourth lens elements optically positioned in ascending numeric order between a scanning component and an imaging surface. The first lens element has an optical power in an in-scan direction of the imaging device and an optical power in a cross-scan direction of the imaging device, the optical power in the cross-scan direction being positive and greater than the optical power in the in-scan direction. The second lens element has a negative optical power in the in-scan and cross-scan directions. The third lens element has a positive optical power in the in-scan direction and cross-scan directions. The fourth lens element has an optical power in the in-scan direction and a positive optical power in the cross-scan direction, the optical power in the cross-scan direction being greater than the optical power in the in-scan direction.

Abstract: Various embodiments and methods relating to groups of anamorphic prisms that are configured to reduce smile in a multi-beam optical system are disclosed.

Abstract: Various embodiments and methods relating to groups of anamorphic prisms that are configured to reduce smile in a multi-beam optical system are disclosed.

Abstract: Systems and methods are described for stitching multiple images together in a printer to form a single, seamless, composite image. The use of multiple laser sources and multiple scan lenses with one or more scanner assemblies and various image stitching methods achieves seamless image stitching in a manner that provides benefits over prior printers using single laser sources and single scan lenses. Such benefits include, for example, a wider image format, smaller optical spot size, reduced cost, and reduced overall size for the printer.