Patents by Inventor Michael Andrew Firth

Michael Andrew Firth 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).

  • Solid state laser with positive thermal lens
    Patent number: 5748664
    Abstract: An all-solid-state laser comprising a slab (1) of gain medium, a diode laser pump system (3) configured in an end pumping geometry with the gain medium (1) and a heat sink thermally contacted to the gain medium (1) wherein the diode laser pump system (3) and the gain medium (1) are cooperably arranged so that in use a positive thermal lens is capable of being formed within the medium, the gain medium (1) having a thickness (d-d') made as small as possible while permitting the substantially unhindered passage through the slab of the laser mode established between the two mirrors (M1, M2).
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: May 5, 1998
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Malcolm Harry Dunn, Wilson Sibbett, Peter Rahlff Christian, Bruce David Sinclair, Michael Andrew Firth