Patents by Inventor Neil MacKinnon

Neil MacKinnon 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).

  • High efficiency laser
    Patent number: 5539765
    Abstract: A laser 10 comprises a pump source 11, a resonator 13 including an etalon of gain material 15, and means 12 to focus the pump source 11 output onto one end 14 of the resonator 13 as a spot having a diameter in the range 50-150 .mu.m. The resonator 13 includes substantially parallel end faces 14,19 having a relative taper better than 0.25 milliradians, and the end faces 14,19 are substantially free of scratches greater than 10 .mu.m in size and pits greater than 5 .mu.m in size. A thermally induced microlens 22 is formed at the surface 14 of the gain material 15.
    Type: Grant
    Filed: August 16, 1995
    Date of Patent: July 23, 1996
    Assignee: The University Court of the University of St. Andrews
    Inventors: Wilson Sibbett, Bruce D. Sinclair, Neil MacKinnon