FR2641074B1 - - Google Patents

Info

Publication number
FR2641074B1
FR2641074B1 FR8817063A FR8817063A FR2641074B1 FR 2641074 B1 FR2641074 B1 FR 2641074B1 FR 8817063 A FR8817063 A FR 8817063A FR 8817063 A FR8817063 A FR 8817063A FR 2641074 B1 FR2641074 B1 FR 2641074B1
Authority
FR
France
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
FR8817063A
Other versions
FR2641074A1 (fr
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.)
Societe National Elf Aquitaine
Original Assignee
Societe National Elf Aquitaine
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 Societe National Elf Aquitaine filed Critical Societe National Elf Aquitaine
Priority to FR8817063A priority Critical patent/FR2641074B1/fr
Priority to DE3943234A priority patent/DE3943234A1/de
Priority to US07/455,001 priority patent/US5155552A/en
Priority to JP1334611A priority patent/JPH02264831A/ja
Publication of FR2641074A1 publication Critical patent/FR2641074A1/fr
Application granted granted Critical
Publication of FR2641074B1 publication Critical patent/FR2641074B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/45—Interferometric spectrometry
    • G01J3/453—Interferometric spectrometry by correlation of the amplitudes
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
FR8817063A 1988-12-23 1988-12-23 Expired - Fee Related FR2641074B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8817063A FR2641074B1 (fr) 1988-12-23 1988-12-23
DE3943234A DE3943234A1 (de) 1988-12-23 1989-12-22 Interferometersystem zur erzeugung von mehr als zwei durchgelassenen strahlen
US07/455,001 US5155552A (en) 1988-12-23 1989-12-22 Interferometric device for detecting and measuring the concentration of an absorbing gas, particularly in the infrared
JP1334611A JPH02264831A (ja) 1988-12-23 1989-12-22 １つの入射光線から２つ又はそれ以上の透過光線を作りだす干渉計システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8817063A FR2641074B1 (fr) 1988-12-23 1988-12-23

Publications (2)

Publication Number Publication Date
FR2641074A1 FR2641074A1 (fr) 1990-06-29
FR2641074B1 true FR2641074B1 (fr) 1991-02-22

Family

ID=9373330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8817063A Expired - Fee Related FR2641074B1 (fr) 1988-12-23 1988-12-23

Country Status (4)

Country Link
US (1) US5155552A (fr)
JP (1) JPH02264831A (fr)
DE (1) DE3943234A1 (fr)
FR (1) FR2641074B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2346160C2 (de) * 1973-09-13 1983-04-28 Karl Händle & Söhne Maschinenfabrik u. Eisengießerei, 7130 Mühlacker Silo-Ausräumgerät
FR2641861B1 (fr) * 1989-01-18 1993-04-30 Photonetics Dispositif de mesure opto-electronique
US5696586A (en) * 1995-03-21 1997-12-09 Sci-Tec Instruments Inc. Optical correlation gas analyzer
DE102011009158B3 (de) * 2011-01-22 2012-05-31 Dräger Safety AG & Co. KGaA Optisches Gasdetektorsystem

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2295590A1 (fr) * 1974-12-16 1976-07-16 Cilas Dispositif de traitement d'une impulsion de lumiere laser
FR2300998A2 (fr) * 1975-02-11 1976-09-10 Anvar Dispositif pour la spectrometrie interferentielle a modulation selective
FR2340540A2 (fr) * 1976-02-05 1977-09-02 Anvar Dispositif pour la spectrometrie interferentielle a modulation selective
FR2555748B1 (fr) * 1983-11-29 1986-04-11 Elf France Dispositif interferometrique pour la detection de gaz dans un melange gazeux
FR2566532B1 (fr) * 1984-06-22 1986-09-12 Elf France Detecteur de gaz par interferometrie
FR2581190B1 (fr) * 1985-04-25 1987-06-19 Elf France Detecteur interferometrique de gaz

Also Published As

Publication number Publication date
FR2641074A1 (fr) 1990-06-29
JPH02264831A (ja) 1990-10-29
DE3943234A1 (de) 1990-07-26
US5155552A (en) 1992-10-13

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Legal Events

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