Patents by Inventor Yuan X. Fan

Yuan X. Fan 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).

  • Room temperature 1.5 .mu.m band quasi-three-level laser
    Patent number: 4995046
    Abstract: A room temperature, 1.5 .mu.m band laser is described. The lasant material in the preferred embodiment is Er:YAG with a 1% Er.sup.3+ doping. The pumping radiation is an intense 1.53 .mu.m beam produced by a laser diode. The solid-state lasant material produced 1.5 .mu.m band radiation with high efficiency.
    Type: Grant
    Filed: August 23, 1989
    Date of Patent: February 19, 1991
    Assignee: Laserqenics
    Inventors: Yuan X. Fan, Richard G. Schlecht