Patents by Inventor Robert R. Naquin

Robert R. Naquin 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).

  • Patent number: 6072573
    Abstract: Apparatus for measuring power in a laser-beam includes a transmissive diffuser for diffusely expanding the laser-beam and a photon detector for receiving the diffusely-expanded laser-beam and generating an electrical signal in response thereto. Electronic circuitry including a microprocessor is provided for interpreting the electrical signal as a measure of power in the laser-beam. A display device is provided for displaying the interpreted signal.
    Type: Grant
    Filed: July 15, 1998
    Date of Patent: June 6, 2000
    Assignee: Coherent, Inc.
    Inventors: Christopher J. Kruger, Gerald H. Williams, Robert R. Naquin, Charles W. Dennett
  • Patent number: 5805277
    Abstract: Apparatus for measuring power in a laser-beam includes a transmissive diffuser for diffusely expanding the laser-beam and a photon detector for receiving the diffusely-expanded laser-beam and generating an electrical signal in response thereto. Electronic circuitry including a microprocessor is provided for interpreting the electrical signal as a measure of power in the laser-beam. A display device is provided for displaying the interpreted signal.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: September 8, 1998
    Assignee: Coherent, Inc.
    Inventors: Christopher J. Kruger, Gerald H. Williams, Robert R. Naquin, Charles W. Dennett
  • Patent number: 5678924
    Abstract: Apparatus for measuring laser power includes a target disc of a predetermined thickness located within, and in thermal contact with, a heat-sink. The heat-sink has an opening therein for directing laser radiation to be measured onto the target disc. A thermal gradient is established in the target disc when laser radiation to be measured is directed onto one surface of the disk. The opposite surface of the disc includes means for detecting the thermal gradient. The heat-sink includes a cylindrical core having an opening in one end thereof for admitting laser radiation to be measured. Cooling-vanes are disposed around the cylindrical core extending radially outward therefrom and extending therealong. A housing surrounding the heat sink includes a fan which causes air to be drawn into the housing, flow between the cooling-vanes, and the be expelled from the housing.
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: October 21, 1997
    Assignee: Coherent Inc.
    Inventors: Robert R. Naquin, Gerald L. Johnson, Mary M. Meek, Eric S. Couzens, William J. DeCosta
  • Patent number: D407031
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: March 23, 1999
    Assignee: Coherent, Inc.
    Inventors: Philip Bourgeois, Leonard Hong, Chih-Hong Hsieh, Robert R. Naquin, Kim W. Woodward