Patents by Inventor Reji Philip

Reji Philip 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).

  • Systems and methods for limiting power using photo-induced anisotropy
    Patent number: 7196794
    Abstract: Preferred embodiments of the present invention are directed at limiting power and controlling an output intensity of an optical system using photo-induced anisotropic materials. In a preferred embodiment, an azobenzene polymer film is used. The embodiments in accordance with the present invention include a cross-polarization system to provide clamping of the output intensity.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: March 27, 2007
    Assignee: University of Massachusetts
    Inventors: Pengfei Wu, Reji Philip, Devulapalli V. G. L. N. Rao
  • Systems and methods for limiting power using photo-induced anisotropy
    Publication number: 20050135454
    Abstract: Preferred embodiments of the present invention are directed at limiting power and controlling an output intensity of an optical system using photo-induced anisotropic materials. In a preferred embodiment, an azobenzene polymer film is used. The embodiments in accordance with the present invention include a cross-polarization system to provide clamping of the output intensity.
    Type: Application
    Filed: June 25, 2004
    Publication date: June 23, 2005
    Applicant: University of Massachusetts
    Inventors: Pengfei Wu, Reji Philip, D.V.G. L.N. Rao