Patents by Inventor David Michael Filgas

David Michael Filgas 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).

  • Multiple element, folded beam laser
    Patent number: 5867519
    Abstract: A multi-element, folded beam laser includes a plurality of laser medium elements, pumping means, a highly reflective reflector, an output coupler and one or more beam directors for redirecting the beam through the elements and between the reflector and the output coupler. An alternate folded beam ring laser and an alternate folded beam laser amplifier are also disclosed.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: February 2, 1999
    Assignee: Lumonics Inc.
    Inventor: David Michael Filgas
  • Multiple element laser pumping chamber
    Patent number: 5867518
    Abstract: A multi-element, uniformly pumped laser includes a plurality of laser medium elements, a pumping means, a highly reflective reflector and an output coupler. The pumping means includes at least one pumping element which simultaneously excites at least two of the laser medium elements. An alternate uniformly pumped ring laser and an alternate uniformly pumped laser amplifier are also disclosed.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: February 2, 1999
    Assignee: Lumonics Inc.
    Inventor: David Michael Filgas