Patents Assigned to Optopian AS
  • Apparatus for acoustic detection of particles in a flow using a fiber optic interferometer
    Patent number: 7072044
    Abstract: Fiber optic particle detector for measurements in a fluid flow, comprising an optical fiber (2,3,12) being acoustically coupled to a mechanical element (11,13,14) adapted to be acoustically coupled to the flow, a fiber optic interferometer (54,56) and a light source (12,51,55) providing light in said optical fiber.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: July 4, 2006
    Assignee: Optopian AS
    Inventors: Jon Thomas Kringlebotn, Erlend Rønnekleiv, Sverre Knudsen