Physical Value Sensor Comprising An Optical Fibre That Is Not Sensitive To Static Values

  • Published: Sep 12, 2008
  • Earliest Priority: Feb 28 2007
  • Family: 10
  • Cited Works: 0
  • Cited by: 0
  • Cites: 0
  • Additional Info: Full text Published

The invention relates to a dynamic physical-value sensor having an optical wave guide with an optically pumped amplification medium, that does not require a reference interferometer or sensor, and that provides at least the same performance level, in terms of sensitivity, as the known sensors of this type, wherein said sensor is characterised in that the wave guide (1) is connected at one end to a selective mirror (3) and in that it comprises at the other end an interrogation laser, the reflection of which on the selective mirror produces a wave that, by interference with the incident wave, induces the periodic saturation of the guide gain.

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Document History
  • Publication: Sep 12, 2008
  • Application: Feb 27, 2008
    WO EP 2008052393 W
  • Priority: Feb 28, 2007
    FR FR 0701454 A

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