Patents by Inventor David P. Machewirth

David P. Machewirth 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).

  • Patent number: 6912342
    Abstract: Disclosed is a fiber optic module containing one or more optical fibers having an attenuator formed in the output end of the fibers to filter out unwanted higher order modes. The optical fibers are typically gain fibers or dispersion compensating fibers, and the attenuator consists of a coil, or a series of bends, of sufficient number and bend radius that higher order modes are reduced below a desired level.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: June 28, 2005
    Assignee: Corning Incorporated
    Inventors: David P. Machewirth, Eric J. Mozdy, Rachel S. Mozdy, Daniel A. Nolan, V Srikant, Sergey Y. Ten
  • Publication number: 20040120641
    Abstract: Disclosed is a fiber optic module containing one or more optical fibers having an attenuator formed in the output end of the fibers to filter out unwanted higher order modes. The optical fibers are typically gain fibers or dispersion compensating fibers, and the attenuator consists of a coil, or a series of bends, of sufficient number and bend radius that higher order modes are reduced below a desired level.
    Type: Application
    Filed: December 19, 2002
    Publication date: June 24, 2004
    Inventors: David P. Machewirth, Eric J. Mozdy, Rachel S. Mozdy, Daniel A. Nolan, V. Srikant, Sergey Y. Ten