Patents by Inventor Wigbert Siekhaus

Wigbert Siekhaus 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).

  • Predicting threshold and location of laser damage on optical surfaces
    Patent number: 4667101
    Abstract: An apparatus useful in the prediction of the damage threshold of various optical devices, the location of weak spots on such devices and the location, identification, and elimination of optical surface impurities comprising, a focused and pulsed laser, an photo electric detector/imaging means, and a timer. The weak spots emit photoelectrons when subjected to laser intensities that are less than the intensity actually required to produce the damage. The weak spots may be eliminated by sustained exposure to the laser beam.
    Type: Grant
    Filed: February 4, 1985
    Date of Patent: May 19, 1987
    Assignee: The United States of America as respresented by the United States Department of Energy
    Inventor: Wigbert Siekhaus