Patents Assigned to Michael C. Hettrick
  • Optical system for high resolution spectrometer/monochromator
    Patent number: 4776696
    Abstract: An optical system for use in a spectrometer or monochromator employing a mirror which reflects electromagnetic radiation from a source to converge with same in a plane. A straight grooved, varied-spaced diffraction grating receives the converging electromagnetic radiation from the mirror and produces a spectral image for capture by a detector, target or like receiver.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: October 11, 1988
    Assignee: Michael C. Hettrick
    Inventors: Michael C. Hettrick, James H. Underwood