Patents by Inventor Brian L. Harlamoff

Brian L. Harlamoff 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).

  • Narrow linewidth BBO optical parametric oscillator utilizing extraordinary resonance
    Patent number: 5594592
    Abstract: Optical parametric oscillators using non-linear crystals cut for the type I interaction have an extraordinary pump beam which generates ordinary signal and idler beams. The use of an optical element to rotate the signal beam before sending this signal beam to a grating element allows for the grating element to have its dispersion plane oriented coplanar with the extraordinary crystal plane of the non-linear crystal. In this manner, for non-linear crystals which have relatively narrow acceptance angles, such as BBO crystals, the reduction in angular aperture of the parametric gain in the extraordinary plane will produce a reduction in the linewidth of the produced output. The grating translates the angular variations into variations in wavelength.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: January 14, 1997
    Inventors: Brian L. Harlamoff, James J. Jacob
  • Narrow linewidth BBO optical parametric oscillator utilizing extraordinary resonance
    Patent number: 5406409
    Abstract: Optical parametric oscillators using non-linear crystals cut for the type I interaction have an extraordinary pump beam which generates ordinary signal and idler beams. The use of an optical element to rotate the signal beam before sending this signal beam to a grating element allows for the grating element to have its dispersion plane oriented coplanar with the extraordinary crystal plane of the non-linear crystal. In this manner, for non-linear crystals which have relatively narrow acceptance angles, such as BBO crystals, the reduction in angular aperture of the parametric gain in the extraordinary plane will produce a reduction in the linewidth of the produced output. The grating translates the angular variations into variations in wavelength.
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: April 11, 1995
    Assignee: Hoya Corporation
    Inventors: Brian L. Harlamoff, James J. Jacob