FR2899971B1 - Dispositif et methode comportant un ensemble de capteurs optiques distribues sur une seule fibre - Google Patents

Dispositif et methode comportant un ensemble de capteurs optiques distribues sur une seule fibre

Info

Publication number
FR2899971B1
FR2899971B1 FR0603256A FR0603256A FR2899971B1 FR 2899971 B1 FR2899971 B1 FR 2899971B1 FR 0603256 A FR0603256 A FR 0603256A FR 0603256 A FR0603256 A FR 0603256A FR 2899971 B1 FR2899971 B1 FR 2899971B1
Authority
FR
France
Prior art keywords
optical sensors
single fiber
sensors distributed
distributed
fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0603256A
Other languages
English (en)
Other versions
FR2899971A1 (fr
Inventor
Didier Frot
Xavier Longaygue
Jean Michel Malavieille
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR0603256A priority Critical patent/FR2899971B1/fr
Publication of FR2899971A1 publication Critical patent/FR2899971A1/fr
Application granted granted Critical
Publication of FR2899971B1 publication Critical patent/FR2899971B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
    • G01D5/35387—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques using wavelength division multiplexing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G01N21/431—Dip refractometers, e.g. using optical fibres
    • G01N2021/432—Dip refractometers, e.g. using optical fibres comprising optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR0603256A 2006-04-12 2006-04-12 Dispositif et methode comportant un ensemble de capteurs optiques distribues sur une seule fibre Expired - Fee Related FR2899971B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0603256A FR2899971B1 (fr) 2006-04-12 2006-04-12 Dispositif et methode comportant un ensemble de capteurs optiques distribues sur une seule fibre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0603256A FR2899971B1 (fr) 2006-04-12 2006-04-12 Dispositif et methode comportant un ensemble de capteurs optiques distribues sur une seule fibre

Publications (2)

Publication Number Publication Date
FR2899971A1 FR2899971A1 (fr) 2007-10-19
FR2899971B1 true FR2899971B1 (fr) 2008-10-17

Family

ID=37564181

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0603256A Expired - Fee Related FR2899971B1 (fr) 2006-04-12 2006-04-12 Dispositif et methode comportant un ensemble de capteurs optiques distribues sur une seule fibre

Country Status (1)

Country Link
FR (1) FR2899971B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2965918B1 (fr) * 2010-10-08 2013-01-18 IFP Energies Nouvelles Dispositif optique de detection de polluants dans un fluide et methode utilisant un tel dispositif
FR2965913B1 (fr) 2010-10-08 2013-04-05 IFP Energies Nouvelles Dispositif de detection de la presence d'un fluide, tel qu'un fluide liquide, dans un espace d'un contenant et methode utilisant un tel dispositif
EP2854282A1 (fr) * 2013-09-30 2015-04-01 Alstom Technology Ltd Identification d'un sous-module dans un convertisseur modulair multi-niveaux par mesure du temps de propagation d'un signal de la commande central

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2734373B1 (fr) * 1995-05-19 1997-07-04 Gaz De France Coupleur optique a taux de derivation variable et utilisation en tant que capteur
US5898517A (en) * 1995-08-24 1999-04-27 Weis; R. Stephen Optical fiber modulation and demodulation system
US5986749A (en) * 1997-09-19 1999-11-16 Cidra Corporation Fiber optic sensing system

Also Published As

Publication number Publication date
FR2899971A1 (fr) 2007-10-19

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Effective date: 20141231