Patents by Inventor Theodoar Charlouis Damen

Theodoar Charlouis Damen 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).

  • Tunable infrared and far-infrared source by four-photon mixing
    Patent number: 4095122
    Abstract: The invention relates to a high-power tunable infrared source employing a four-photon mixing process, with three input lasers, in which process the output power is resonantly enhanced by exciton states in the conversion medium.
    Type: Grant
    Filed: August 4, 1977
    Date of Patent: June 13, 1978
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Theodoar Charlouis Damen, Erich Gornik, Van-Tran Nguyen, Chandra Kumar Naranbhai Patel