Patents by Inventor Ying H. Zhang

Ying H. Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High power optical fiber
    Patent number: 5373576
    Abstract: A fiber optic laser pumped via its cladding has a liquid component in the cladding and an index of refraction sufficient to promote total internal reflection of light carried by the cladding for pumping the laser. In one embodiment, the liquid component is provided by immersing the fiber clad with a curable polymer and a protective coating in a fluorinated organic compound.
    Type: Grant
    Filed: May 4, 1993
    Date of Patent: December 13, 1994
    Assignee: Polaroid Corporation
    Inventors: Richard A. Minns, Bennett H. Rockney, Ying H. Zhang