FR2581190B1 - Detecteur interferometrique de gaz - Google Patents

Detecteur interferometrique de gaz

Info

Publication number
FR2581190B1
FR2581190B1 FR8506349A FR8506349A FR2581190B1 FR 2581190 B1 FR2581190 B1 FR 2581190B1 FR 8506349 A FR8506349 A FR 8506349A FR 8506349 A FR8506349 A FR 8506349A FR 2581190 B1 FR2581190 B1 FR 2581190B1
Authority
FR
France
Prior art keywords
gas detector
interferometric
interferometric gas
detector
gas
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
Application number
FR8506349A
Other languages
English (en)
Other versions
FR2581190A1 (fr
Inventor
Gerard Fortunato
Dominique Laurent
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.)
Elf Antar France
Original Assignee
Elf France SA
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 Elf France SA filed Critical Elf France SA
Priority to FR8506349A priority Critical patent/FR2581190B1/fr
Priority to DE19863612733 priority patent/DE3612733A1/de
Priority to GB08609397A priority patent/GB2174198B/en
Priority to US06/853,038 priority patent/US4732480A/en
Priority to JP61094404A priority patent/JPS61250543A/ja
Publication of FR2581190A1 publication Critical patent/FR2581190A1/fr
Application granted granted Critical
Publication of FR2581190B1 publication Critical patent/FR2581190B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • 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
    • G01N21/21—Polarisation-affecting properties
FR8506349A 1985-04-25 1985-04-25 Detecteur interferometrique de gaz Expired FR2581190B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8506349A FR2581190B1 (fr) 1985-04-25 1985-04-25 Detecteur interferometrique de gaz
DE19863612733 DE3612733A1 (de) 1985-04-25 1986-04-16 Interferometrischer gasspuerer
GB08609397A GB2174198B (en) 1985-04-25 1986-04-17 Interferometric device for detecting gas
US06/853,038 US4732480A (en) 1985-04-25 1986-04-17 Interferometric device for detecting gas
JP61094404A JPS61250543A (ja) 1985-04-25 1986-04-23 ガス検出用干渉計装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8506349A FR2581190B1 (fr) 1985-04-25 1985-04-25 Detecteur interferometrique de gaz

Publications (2)

Publication Number Publication Date
FR2581190A1 FR2581190A1 (fr) 1986-10-31
FR2581190B1 true FR2581190B1 (fr) 1987-06-19

Family

ID=9318695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8506349A Expired FR2581190B1 (fr) 1985-04-25 1985-04-25 Detecteur interferometrique de gaz

Country Status (5)

Country Link
US (1) US4732480A (fr)
JP (1) JPS61250543A (fr)
DE (1) DE3612733A1 (fr)
FR (1) FR2581190B1 (fr)
GB (1) GB2174198B (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619621B1 (fr) * 1987-08-18 1989-12-22 Centre Nat Rech Scient Procede de mesure de la concentration d'un gaz dans un melange gazeux et dispositif pour la mise en oeuvre de ce procede
US4887899A (en) * 1987-12-07 1989-12-19 Hung Yau Y Apparatus and method for electronic analysis of test objects
FR2628528B1 (fr) * 1988-03-08 1990-11-16 Elf France Interferometre et procede d'analyse gazeuse
DE3812334A1 (de) * 1988-04-14 1989-10-26 Hartmann & Braun Ag Interferometrische einrichtung
DE3825683C1 (fr) * 1988-07-28 1989-12-28 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch, De
DE3831576A1 (de) * 1988-09-16 1990-05-10 Maihak Ag Optisches strahlungsfilter
FR2641074B1 (fr) * 1988-12-23 1991-02-22 Elf Aquitaine
DE3901825A1 (de) * 1989-01-23 1990-08-02 Maihak Ag Optisches gasanalysegeraet mit elektro-optisch modulierbarem kammfilter
US4998017A (en) * 1989-05-01 1991-03-05 Ryan Fredrick M Method and arrangement for measuring the optical absorptions of gaseous mixtures
US5076699A (en) * 1989-05-01 1991-12-31 Rosemount Analytical Inc. Method and apparatus for remotely and portably measuring a gas of interest
DE3923831A1 (de) * 1989-07-19 1991-01-31 Hartmann & Braun Ag Interferometrische einrichtung
DE3925692C1 (fr) * 1989-08-03 1990-08-23 Hartmann & Braun Ag, 6000 Frankfurt, De
US5225888A (en) * 1990-12-26 1993-07-06 International Business Machines Corporation Plasma constituent analysis by interferometric techniques
DE4104636A1 (de) * 1991-02-15 1992-08-20 Bran & Luebbe Polarisationsinterferometer mit schmalbandfilter
GB2265928B (en) * 1992-04-09 1996-04-24 Richard Andrew Ross Bruce Milk saver
DE4314535C2 (de) * 1993-05-03 1997-05-07 Sick Ag Inferferometrisches Gaskomponenten-Meßgerät
CA2215967C (fr) * 1995-03-21 2001-06-12 Sci-Tec Instruments Inc. Analyseur de gaz optique a correlation
DE19605383A1 (de) * 1996-02-14 1997-08-21 Buehler Ag Polarisationsinterferometer
JP2000065531A (ja) * 1998-08-26 2000-03-03 Minolta Co Ltd 複屈折板を用いた干渉像入力装置
EP1234164A1 (fr) 1999-12-02 2002-08-28 Ecolotrol, Inc. Filtre
GB0005069D0 (en) * 2000-03-02 2000-04-26 Ecolotrol A controlled interference spectrometer
US6437916B1 (en) * 2000-10-10 2002-08-20 Jds Uniphase Corporation Strain-stabilized birefringent crystal
WO2004057314A2 (fr) * 2002-12-20 2004-07-08 Fiso Technologies Inc. Procede et capteur permettant de detecter une substance chimique au moyen d'un materiau presentant une anisotropie optique
WO2007033433A1 (fr) * 2005-09-23 2007-03-29 The Australian National University Systeme et procede d'imagerie a multicoherence
US8067110B2 (en) * 2006-09-11 2011-11-29 3M Innovative Properties Company Organic vapor sorbent protective device with thin-film indicator
US9347832B2 (en) * 2008-05-15 2016-05-24 Bodkin Design And Engineering Llc Optical systems and methods employing a polarimetric optical filter
US7808640B2 (en) * 2008-07-30 2010-10-05 Honeywell International Inc. Photoacoustic spectroscopy system
US8437000B2 (en) 2010-06-29 2013-05-07 Honeywell International Inc. Multiple wavelength cavity ring down gas sensor
US8269972B2 (en) 2010-06-29 2012-09-18 Honeywell International Inc. Beam intensity detection in a cavity ring down sensor
US8322191B2 (en) 2010-06-30 2012-12-04 Honeywell International Inc. Enhanced cavity for a photoacoustic gas sensor
CN104048944A (zh) * 2014-03-14 2014-09-17 中国科学院力学研究所 差分干涉测量成像系统及方法
WO2019143315A1 (fr) 2018-01-16 2019-07-25 Ows Agri Limited Appareil et techniques de mesure de concentration de gaz
US11366088B2 (en) 2018-01-23 2022-06-21 Ows Agri Limited System and method for ozone concentration measurement in ice
US11353395B2 (en) * 2018-01-23 2022-06-07 Ows Agri Limited System and method for ozone concentration measurement in liquids having a negative scaling index
US11231357B2 (en) 2018-01-24 2022-01-25 Ows Agri Limited System and method for ozone concentration in liquids having a positive scaling factor
WO2019151976A1 (fr) 2018-01-30 2019-08-08 Ows Agri Limited Systèmes et procédés pour stérilisation de vrac au moyen d'ozone
US11712052B2 (en) 2018-02-09 2023-08-01 Ows Agri Limited Systems and methods for continuous flow sterilization

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2823577A (en) * 1951-08-10 1958-02-18 Leeds & Northrup Co Multiple slit spectrograph for direct reading spectrographic analysis
GB957737A (en) * 1961-06-09 1964-05-13 Ass Elect Ind Improvements relating to spectrometers
US3216313A (en) * 1961-06-23 1965-11-09 Bausch & Lomb Monochromator of the type having a plane grating therein
JPS54656B1 (fr) * 1971-06-18 1979-01-13
FR2216565B1 (fr) * 1973-02-06 1977-10-28 Anvar
GB1468911A (en) * 1973-07-03 1977-03-30 Matsushita Electric Ind Co Ltd Acousto-optic filter
DE2430011C3 (de) * 1974-06-22 1978-05-03 Bayer Ag, 5090 Leverkusen Zweistrahl-Photometer mit Interferenzfilter
FR2300998A2 (fr) * 1975-02-11 1976-09-10 Anvar Dispositif pour la spectrometrie interferentielle a modulation selective
US4285596A (en) * 1977-08-16 1981-08-25 Neotec Corporation Holographic diffraction grating system for rapid scan spectral analysis
FR2420754A1 (fr) * 1978-03-23 1979-10-19 Elf Aquitaine Procede de determination du rapport h2s/so2 dans un effluent gazeux
US4480916A (en) * 1982-07-06 1984-11-06 The United States Of America As Represented By The Secretary Of The Navy Phase-modulated polarizing interferometer

Also Published As

Publication number Publication date
FR2581190A1 (fr) 1986-10-31
JPS61250543A (ja) 1986-11-07
US4732480A (en) 1988-03-22
DE3612733A1 (de) 1986-10-30
GB2174198B (en) 1988-12-14
GB2174198A (en) 1986-10-29
GB8609397D0 (en) 1986-05-21
DE3612733C2 (fr) 1992-08-06

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse