Patents Examined by Sarah U Song
  • Optical waveguide attenuating device and method for producing the same
    Patent number: 6115524
    Abstract: A method for making an optical attenuating device comprising an optical waveguide having a core doped with a transition metal and a cladding. The transition metal is deposited in the core during a core blankmaking process. The transition metal doped core is exposed to gaseous hydrogen in a furnace to significantly increase the attenuation of the device.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: September 5, 2000
    Assignee: Corning Incorporated
    Inventors: Gerald E. Burke, Christine L. Hoaglin, Carlton M. Truesdale
  • Optical fiber connector
    Patent number: 6076974
    Abstract: An optical fiber connector for use with plastic optical fibers includes a housing having a longitudinal bore forming a flat end wall adjacent the fiber entrance end. A graduated coil spring member is seated against the wall and retained within the bore. The spring has a first, compression generating section, a second section of lesser diameter for grasping and holding the jacket of a jacketed plastic optic fiber, and a third section that locates and guides the bare fiber to the interface end of the coupler.
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: June 20, 2000
    Assignee: Lucent Technologies Inc.
    Inventors: Arthur Wallace Carlisle, Jeffrey Harrison Hicks