Patents Assigned to Electro Scientific Industries, Inc., an Oregon corporation
  • VARIO-ASTIGMATIC BEAM EXPANDER
    Publication number: 20080297912
    Abstract: A vario-astigmatic beam expander is capable of collimating an astigmatic light beam, or inducing astigmatism in a well-collimated beam, by passing the light beam through a combination of spherical and cylindrical lenses, whereby both the degree of astigmatism and the axis of astigmatism induced are continuously adjustable. The beam expander has applications in industrial laser processing systems.
    Type: Application
    Filed: June 1, 2007
    Publication date: December 4, 2008
    Applicant: Electro Scientific Industries, Inc., an Oregon corporation
    Inventor: Leo Baldwin