Patents by Inventor Philippe Yvemault

Philippe Yvemault 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).

  • Method for production of a tunable optical filter
    Publication number: 20070019313
    Abstract: The present invention relates to a method of producing an optical filter, characterized in that it comprises effecting the following steps on an optical waveguide (10): controlling the varying interior profile of the waveguide, preferably by melt-drawing, and writing a Bragg grating (20), using techniques allowing independent control of longitudinal variation of the Bragg wavelength and longitudinal variation of the exterior profile of the waveguide.
    Type: Application
    Filed: April 15, 2003
    Publication date: January 25, 2007
    Applicant: Highwave Optical Technologies
    Inventors: Alain Mugnier, Rachelle Le Roux, Philippe Yvemault, David Pureur