Patents by Inventor Raymond Castonguay

Raymond Castonguay 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).

  • Scanning simultaneous phase-shifting interferometer
    Patent number: 7561279
    Abstract: An optical measuring apparatus for comprising, in combination, a polarization type interferometer including a polarization type beam splitter in which a polarized beam of light is split into orthogonally polarized reference and test beams, an array of detectors arranged in a line for creating a plurality of phase shifting interferograms, and a scanning device for moving the object in a direction perpendicular to a long axis of the detectors.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: July 14, 2009
    Assignee: Engineering Synthesis Design, Inc.
    Inventors: Raymond Castonguay, Piotr Szwaykowski
  • SCANNING SIMULTANEOUS PHASE-SHIFTING INTERFEROMETER
    Publication number: 20080043224
    Abstract: An optical measuring apparatus for comprising, in combination, a polarization type interferometer including a polarization type beam splitter in which a polarized beam of light is split into orthogonally polarized reference and test beams, an array of detectors arranged in a line for creating a plurality of phase shifting interferograms, and a scanning device for moving the object in a direction perpendicular to a long axis of the detectors.
    Type: Application
    Filed: June 28, 2007
    Publication date: February 21, 2008
    Inventors: Raymond Castonguay, Piotr Szwaykowski
  • Interferometric system with reduced vibration sensitivity and realated method
    Publication number: 20060146341
    Abstract: A source module (12) generates mutually orthogonally polarized beams of light as emanating from two spatially separated point sources (Sv, Sw) for use in a phase shifting interferometer.
    Type: Application
    Filed: November 26, 2003
    Publication date: July 6, 2006
    Inventors: Piotr Szwaykowski, Federick Bushroe, Raymond Castonguay
  • Simultaneous phase shifting module for use in interferometry
    Publication number: 20060146340
    Abstract: A back-end assembly for use with a front-end assembly in acquiring phase-shifted interferograms having a plurality of imaging modules (Ma, Mb, Mc). Each module (Ma, Mb, Mc) has a quarter wave plate (30a, 30b, 30c), a polarizer (32a, 32b, 32c), and an image sensor (34a, 34b, 34c) so that each polarizer has a different rotation orientation thus acquiring phase-shifted interferograms.
    Type: Application
    Filed: November 26, 2003
    Publication date: July 6, 2006
    Inventors: Piotr Szwaykowski, Raymond Castonguay, Frederick Bushroe