Patents by Inventor Laure Lago

Laure Lago 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).

  • Microstructured optical fibre having a large core and a flattened fundamental mode, production method thereof and use of same in laser microfabrication
    Patent number: 9244219
    Abstract: The fiber comprises a core (2) having an index N and diameter of 10 ?m or more, surrounded by a ring (4) having an index N+?n and thickness ?R, and cladding (6) surrounding the ring and comprising for example air gaps (8). According to the invention: ?n?10?3 and ?R=?/(?n)? [1] where: 5×10?4 ?m???5×10?2 ?m and 0.5???1.5. The numbers ? and ? are dependent on the wavelength ? of the light guided by the fiber, the number of missing gaps therein, the diameter d of the gaps, the spacing ? thereof and N. To design the fiber, ?, the number of missing gaps, d/?, the core doping content, ? and ?n are chosen; and ?R is determined using equation [1] so as to obtain a flattened fundamental mode.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: January 26, 2016
    Assignees: Commissariat a L'Energie Atomique et aux Energies Alternatives, Universite Lille 1 Sciences et Technologies, Centre National de la Recherche Scientifique
    Inventors: Emmanuel Hugonnot, Laure Lago, Arnaud Mussot, Yves Quimquenpois, Géraud Bouwmans, Laurent Bigot, Constance Valentin
  • Microstructured Optical Fibre Having A Large Core And A Flattened Fundamental Mode, Production Method Thereof And Use Of Same In Laser Microfabrication
    Publication number: 20140233900
    Abstract: The fibre comprises a core (2) having an index N and diameter of 10 ?m or more, surrounded by a ring (4) having an index N+?n and thickness ?R, and cladding (6) surrounding the ring and comprising for example air gaps (8). According to the invention: ?n?10?3 and ?R=?/(?n)? [1] where: 5×10?4 ?m???5×10?2 ?m and 0.5???1.5. The numbers ? and ? are dependent on the wavelength ? of the light guided by the fibre, the number of missing gaps therein, the diameter d of the gaps, the spacing ? thereof and N. To design the fibre, ?, the number of missing gaps, d/?, the core doping content, ?0 and ?n are chosen; and ?R is determined using equation [1] so as to obtain a flattened fundamental mode.
    Type: Application
    Filed: September 18, 2012
    Publication date: August 21, 2014
    Applicants: Commissariat à I'énergie atomique et aux énergies alternatives, Universite Lille 1 Sciences Et Technologies, Centre National De La Recherche Scientifique
    Inventors: Emmanuel Hugonnot, Laure Lago, Arnaud Mussot, Yves Quiquempois, Géraud Bouwmans, Laurent Bigot, Constance Valentin