FR2871573B1 - Optical detector and method for detecting and electric determine at least one gas in a room atmosphere - Google Patents

Optical detector and method for detecting and electric determine at least one gas in a room atmosphere

Info

Publication number
FR2871573B1
FR2871573B1 FR0406379A FR0406379A FR2871573B1 FR 2871573 B1 FR2871573 B1 FR 2871573B1 FR 0406379 A FR0406379 A FR 0406379A FR 0406379 A FR0406379 A FR 0406379A FR 2871573 B1 FR2871573 B1 FR 2871573B1
Authority
FR
Grant status
Grant
Patent type
Prior art keywords
detecting
electric
gas
determine
method
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.)
Active
Application number
FR0406379A
Other languages
French (fr)
Other versions
FR2871573A1 (en )
Inventor
Ludovic Escoubas
Khalifa Aguir
Thomas Mazingue
Francois Flory
Marc Bendahan
Christian Forestier
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.)
CYBERNETIX SA
ECOLE GENERALISTE D'INGENIEURS DE MARSEILLE (EGIM)
ECOLE GENERALISTE D INGENIEURS
PAUL CEZANNE UNIVERSITE D, University of
Universite Paul Cezanne Aix Marseille III
Original Assignee
ECOLE GENERALISTE D'INGENIEURS DE MARSEILLE (EGIM)
CYBERNETIX SA
ECOLE GENERALISTE D INGENIEURS
PAUL CEZANNE UNIVERSITE D, University of
Universite Paul Cezanne Aix Marseille III
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
Grant date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G01N21/774Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides the reagent being on a grating or periodic structure
    • G01N21/7743Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides the reagent being on a grating or periodic structure the reagent-coated grating coupling light in or out of the waveguide
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
FR0406379A 2004-06-11 2004-06-11 Optical detector and method for detecting and electric determine at least one gas in a room atmosphere Active FR2871573B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0406379A FR2871573B1 (en) 2004-06-11 2004-06-11 Optical detector and method for detecting and electric determine at least one gas in a room atmosphere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0406379A FR2871573B1 (en) 2004-06-11 2004-06-11 Optical detector and method for detecting and electric determine at least one gas in a room atmosphere

Publications (2)

Publication Number Publication Date
FR2871573A1 true FR2871573A1 (en) 2005-12-16
FR2871573B1 true FR2871573B1 (en) 2007-03-30

Family

ID=34946662

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0406379A Active FR2871573B1 (en) 2004-06-11 2004-06-11 Optical detector and method for detecting and electric determine at least one gas in a room atmosphere

Country Status (1)

Country Link
FR (1) FR2871573B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929340C2 (en) * 1989-09-04 1992-02-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
JP3157952B2 (en) * 1993-06-02 2001-04-23 アヴェンティス・リサーチ・ウント・テクノロジーズ・ゲーエムベーハー・ウント・コー・カーゲー Optical sensors for chemical substance detection
US5670115A (en) * 1995-10-16 1997-09-23 General Motors Corporation Hydrogen sensor
DE19916798C2 (en) * 1999-04-14 2001-10-18 Daimler Chrysler Ag Thin film semiconductor gas sensor and method for the detection of gases

Also Published As

Publication number Publication date Type
FR2871573A1 (en) 2005-12-16 application

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