Patents by Inventor Stéphane Bourriaux

Stéphane Bourriaux 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: 7285089
    Abstract: Equipment includes an image guide (1) consisting of flexible optical fibers with: on the proximal end side: a source (2), angular scanning elements (3), injection elements (4) in one of the fibers, elements for splitting (5) the illuminating beam and the backscattered signal, elements for spatial filtering (6), elements for detecting (7) the signal, electronic elements (8) for controlling, analyzing and digital processing of the detected signal and display; and on the distal end side: an optical head (9) for focusing the illuminating beam exiting from the illuminated fiber. The scanning elements include a resonant line mirror (M1) and a galvanometric field mirror (M2) with a variable frequency and two afocal optical systems adapted to conjugate the two mirrors (M1, M2) firstly in the field mirror (M2) and the injection elements (4) in the image guide in a second step.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: October 23, 2007
    Assignee: Mauna Kea Technologies
    Inventors: Bertrand Viellerobe, Magalie Genet, Frédéric Berier, François Lacombe, Aymeric Perchant, Georges Le Goualher, Sandra Marti, Stéphane Bourriaux
  • Patent number: 7221824
    Abstract: An optical head for equipping the distal end of a flexible optical fiber bundle, designed to be urged into contact with an analyzing surface and including optical elements for focusing an excitation signal into a so-called excitation focal point located at a specific depth beneath the analyzing surface and for sampling a signal backscattered by the excitation focal point which is carried back by the fiber bundle. The head includes an optics-holder tube wherein are inserted on one side the distal end portion of the fiber bundle and on the other optical elements, the latter including a plate placed in contact with the end of the fiber bundle whereof the index is close to that of the fiber core and a focusing optical block, an output window being further provided adapted to provide index adaptation so as to eliminate parasitic reflection occurring on the analyzing surface.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: May 22, 2007
    Assignee: Mauna Kea Technologies
    Inventors: Frederic Berier, Stephane Bourriaux, Magalie Genet, Bertrand Viellerobe, Alexandre Loiseau, Benjamin Abrat
  • Publication number: 20050157981
    Abstract: An optical head for equipping the distal end of a flexible optical fiber bundle, designed to be urged into contact with an analyzing surface and including optical elements for focusing an excitation signal into a so-called excitation focal point located at a specific depth beneath the analyzing surface and for sampling a signal backscattered by the excitation focal point which is carried back by the fiber bundle. The head includes an optics-holder tube wherein are inserted on one side the distal end portion of the fiber bundle and on the other optical elements, the latter including a plate placed in contact with the end of the fiber bundle whereof the index is close to that of the fiber core and a focusing optical block, an output window being further provided adapted to provide index adaptation so as to eliminate parasitic reflection occurring on the analyzing surface.
    Type: Application
    Filed: December 20, 2002
    Publication date: July 21, 2005
    Applicant: MAUNA KEA TECHNOLOGIES
    Inventors: Frederic Berier, Stephane Bourriaux, Magalie Genet, Bertrand Viellerobe, Alexandre Loiseau, Benjamin Abrat
  • Publication number: 20050078924
    Abstract: The invention concerns an equipment comprising an image guide (1) consisting of flexible optical fibers with: on the proximal end side: a source (2), angular scanning means (3), injection means (4) in one of the fibers, means for splitting (5) the illuminating beam and the backscattered signal, means for spatial filtering (6), means for detecting (7) said signal, electronic means (8) for controlling, analyzing and digital processing of the detected signal and display; and on the distal end side: an optical head (9) for focusing the illuminating beam exiting from the illuminated fiber. The invention is characterized in that the means (3) comprise a resonant line mirror (M1) and a galvanometric field mirror (M2) with a variable frequency and two afocal optical systems adapted to conjugate the two mirrors (M1, M2) firstly in the field mirror (M2) and the injection means (4) in the image guide in a second step.
    Type: Application
    Filed: December 20, 2002
    Publication date: April 14, 2005
    Inventors: Bertrand Viellerobe, Magalie Genet, Frederic Berrier, Francois Lacombe, Aymeric Perchant, Georges Le Goualher, Sandra Marti, Stephane Bourriaux