Patents by Inventor John C. AuYeung

John C. AuYeung 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 graded rod laser assembly
    Patent number: 4504950
    Abstract: A tunable laser assembly including a pair of radially graded indexed optical segments aligned to focus the laser to form an external resonant cavity with an optical axis, the respective optical segments are retativity moveable along the optical axis and provide a variable et aion gap sufficient to permit variable tuning of the laser wavelength without altering the effective length of the resonant cavity. The gap also include a saturable absorbing material providing a passive mode-locking of the laser.
    Type: Grant
    Filed: March 2, 1982
    Date of Patent: March 12, 1985
    Assignee: California Institute of Technology
    Inventor: John C. AuYeung