Patents by Inventor Laurent Disdier

Laurent Disdier 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).

  • Two-dimensional ionising particle detector
    Patent number: 7238951
    Abstract: A two-dimensional ionising particle detector including a matrix of detecting fibers, each detecting fiber forming a pixel of the detector. Each detecting fiber is composed of a glass capillary filled with a liquid scintillator for which the chemical composition is chosen such that an average free path of primary scintillation photons is negligible compared with a diameter of the capillary. The detector is applicable, for example, to high resolution particle imagery.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: July 3, 2007
    Assignee: Commissariat A L'Energie Atomique
    Inventors: Laurent Disdier, Alexandre Fedotoff
  • Two-dimensional ionising particle detector
    Publication number: 20050161611
    Abstract: A two-dimensional ionising particle detector including a matrix of detecting fibers, each detecting fiber forming a pixel of the detector. Each detecting fiber is composed of a glass capillary filled with a liquid scintillator for which the chemical composition is chosen such that an average free path of primary scintillation photons is negligible compared with a diameter of the capillary. The detector is applicable, for example, to high resolution particle imagery.
    Type: Application
    Filed: March 24, 2003
    Publication date: July 28, 2005
    Applicant: Commissariat A L'Energie
    Inventors: Laurent Disdier, Alexandre Fedotoff
  • Singlemode laser source tunable in wavelength with a self-aligned external cavity
    Patent number: 5802085
    Abstract: This invention relates to a singlemode laser source tunable in wavelength with a self-aligned external cavity, comprising: a resonant cavity having an output face that is partially reflecting (331) and a retroreflecting dispersive device (31, 39), defining a main collimating axis (351) and a secondary collimating axis (381), an amplifier wave guide (33) placed in position inside the resonant cavity. The retroreflecting dispersive device comprises a plane diffraction grating (31) having dispersion planes and an orthogonal reflecting dihedral (39) whose line of intersection (391) is parallel to the dispersion plane of the diffraction grating containing the collimating axes (351, 352).
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: September 1, 1998
    Assignee: Photonetics S.A.
    Inventors: Herve Lefevre, Philippe Martin, Bernard LaLoux, Philippe Graindorge, Laurent Disdier
  • Singlemode laser source tunable in wavelength with a self-aligned external cavity
    Patent number: 5594744
    Abstract: This invention relates to a singlemode laser source tunable in wavelength with a self-aligned external cavity, comprising: a resonant cavity having an output face that is partially reflecting (331) and a retroreflecting dispersive device (31, 39), defining a main collimating axis (351) and a secondary collimating axis (381), an amplifier wave guide (33) placed in position inside the resonant cavity. The retroreflecting dispersive device comprises a plane diffraction grating (31) having dispersion planes and an orthogonal reflecting dihedral (39) whose line of intersection (391)is parallel to the dispersion plane of the diffraction grating containing the collimating axes (351, 352).
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: January 14, 1997
    Assignee: Photonetics S.A.
    Inventors: Herve Lefevre, Philippe Martin, Bernard Laloux, Philippe Graindorge, Laurent Disdier