Patents Represented by Attorney Jacob H. Erlich

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  • Free expansion nozzle for gas dynamic lasers
    Patent number: 4021753
    Abstract: A free expansion nozzle for gas dynamic lasers having a multitude of finely divided free expansion sites. These sites may be in the form of a plurality of minute openings within a plate, or minute spacings between adjacent cylinders, or in the form of a small mesh screen. In any case these expansion sites may be situated within the nozzle section of a gas dynamic laser, thereby providing an easily fabricated, economical means of producing a lasing medium within the optical cavity of the laser.
    Type: Grant
    Filed: April 8, 1975
    Date of Patent: May 3, 1977
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Ernie D. Braunschweig, Robert E. Wilson