Patents by Inventor Emilie Sakat

Emilie Sakat 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).

  • Angular optical filtering element for angular filtering having controlled angular selectivity
    Patent number: 9810822
    Abstract: According to one aspect, the invention relates to an angular optical filtering element (Ei) optimized for angular filtering about a given operating angle of incidence (?i, 1) in a given spectral band. The angular filtering element (Ei) comprises a first nanostructured, band-pass, spectral filter (11i, 301) and a second nanostructured, band-pass, spectral filter (12i, 302). Each of the first and second spectral filters comprises, respectively, in said spectral band, a first and a second central filtering wavelength that respectively has a first and second angular dispersion curve defined depending on the angle of incidence (?inc) on the optical filtering element (Ei), the curves of angular dispersion being secant about the operating angle of incidence (?i, 1) of the optical filtering element. The invention applies to the production of a selective angular filtering device and to a multidirectional optical detection system.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: November 7, 2017
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, Office National d'Etudes et de Recherches Aérospatiales—ONERA
    Inventors: Emilie Sakat, Riad Haïdar, Jean-Luc Pelouard, Patrick Bouchon, Grégory Vincent
  • ANGULAR OPTICAL FILTERING ELEMENT FOR ANGULAR FILTERING HAVING CONTROLLED ANGULAR SELECTIVITY
    Publication number: 20160146989
    Abstract: According to one aspect, the invention relates to an angular optical filtering element (?i) optimised for angular filtering about a given operating angle of incidence (?i, 1) in a given spectral band. The angular filtering element (?i) comprises a first nanostructured, band-pass, spectral filter (11i, 301) and a second nanostructured, band-pass, spectral filter (12i, 302). Each of the first and second spectral filters comprises, respectively, in said spectral band, a first and a second central filtering wavelength that respectively has a first and second angular dispersion curve defined depending on the angle of incidence (?inc) on the optical filtering element (?i), the curves of angular dispersion being secant about the operating angle of incidence (?i, 1) of the optical filtering element. The invention applies to the production of a selective angular filtering device and to a multidirectional optical detection system.
    Type: Application
    Filed: June 17, 2014
    Publication date: May 26, 2016
    Applicants: Centre Nationale de la Recherche Scientifique - CN RS, Office National d'Etudes et de Recherches Aérospa tiales-ONERA
    Inventors: Emilie Sakat, Riad Haïdar, Jean-Luc Pelouard, Patrick Bouchon, Grégory Vincent