FR2639711B1 - Procede pour la detection simultanee de plusieurs gaz dans un melange gazeux, et appareillage pour la mise en oeuvre de ce procede - Google Patents
Procede pour la detection simultanee de plusieurs gaz dans un melange gazeux, et appareillage pour la mise en oeuvre de ce procedeInfo
- Publication number
- FR2639711B1 FR2639711B1 FR8815456A FR8815456A FR2639711B1 FR 2639711 B1 FR2639711 B1 FR 2639711B1 FR 8815456 A FR8815456 A FR 8815456A FR 8815456 A FR8815456 A FR 8815456A FR 2639711 B1 FR2639711 B1 FR 2639711B1
- Authority
- FR
- France
- Prior art keywords
- carrying
- gas mixture
- simultaneous detection
- several gases
- gases
- 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
Links
- 238000000034 method Methods 0.000 title 2
- 238000001514 detection method Methods 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
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
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
-
- 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
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8815456A FR2639711B1 (fr) | 1988-11-25 | 1988-11-25 | Procede pour la detection simultanee de plusieurs gaz dans un melange gazeux, et appareillage pour la mise en oeuvre de ce procede |
US07/440,267 US5040895A (en) | 1988-11-25 | 1989-11-22 | Process for the simultaneous detection of several gases in a gaseous mixture, and equipment for using the process |
JP1306395A JPH02184741A (ja) | 1988-11-25 | 1989-11-24 | ガスの混合物中に含まれる複数種のガスの同時検出方法及び本方法を用いた検出器 |
DE3939359A DE3939359A1 (de) | 1988-11-25 | 1989-11-24 | Verfahren und vorrichtung zur gleichzeitigen erkennung von verschiedenen gasen in einem gasgemisch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8815456A FR2639711B1 (fr) | 1988-11-25 | 1988-11-25 | Procede pour la detection simultanee de plusieurs gaz dans un melange gazeux, et appareillage pour la mise en oeuvre de ce procede |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2639711A1 FR2639711A1 (fr) | 1990-06-01 |
FR2639711B1 true FR2639711B1 (fr) | 1992-12-31 |
Family
ID=9372271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8815456A Expired - Fee Related FR2639711B1 (fr) | 1988-11-25 | 1988-11-25 | Procede pour la detection simultanee de plusieurs gaz dans un melange gazeux, et appareillage pour la mise en oeuvre de ce procede |
Country Status (4)
Country | Link |
---|---|
US (1) | US5040895A (fr) |
JP (1) | JPH02184741A (fr) |
DE (1) | DE3939359A1 (fr) |
FR (1) | FR2639711B1 (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI91564C (fi) * | 1991-10-31 | 1994-07-11 | Valtion Teknillinen | Anturi |
FI96450C (fi) * | 1993-01-13 | 1996-06-25 | Vaisala Oy | Yksikanavainen kaasun pitoisuuden mittausmenetelmä ja -laitteisto |
GB2286041B (en) * | 1994-01-20 | 1998-04-08 | Marconi Gec Ltd | High resolution infrared spectroscope |
US5770156A (en) * | 1996-06-04 | 1998-06-23 | In Usa, Inc. | Gas detection and measurement system |
WO1998017991A1 (fr) * | 1996-10-18 | 1998-04-30 | In Usa, Inc. | Procede et appareil de mesure d'ozone basee sur une longueur d'ondes multiple |
US6590710B2 (en) | 2000-02-18 | 2003-07-08 | Yokogawa Electric Corporation | Fabry-Perot filter, wavelength-selective infrared detector and infrared gas analyzer using the filter and detector |
US7145165B2 (en) | 2001-09-12 | 2006-12-05 | Honeywell International Inc. | Tunable laser fluid sensor |
US7015457B2 (en) * | 2002-03-18 | 2006-03-21 | Honeywell International Inc. | Spectrally tunable detector |
US20070133001A1 (en) * | 2001-09-12 | 2007-06-14 | Honeywell International Inc. | Laser sensor having a block ring activity |
US7470894B2 (en) * | 2002-03-18 | 2008-12-30 | Honeywell International Inc. | Multi-substrate package assembly |
US7586114B2 (en) * | 2004-09-28 | 2009-09-08 | Honeywell International Inc. | Optical cavity system having an orthogonal input |
US7902534B2 (en) * | 2004-09-28 | 2011-03-08 | Honeywell International Inc. | Cavity ring down system having a common input/output port |
DE102004062837A1 (de) * | 2004-12-27 | 2006-07-06 | Abb Patent Gmbh | Fotometer-Gasanalysator mit Mitteln zum Verschieben einer Optikeinheit |
US7656532B2 (en) * | 2006-04-18 | 2010-02-02 | Honeywell International Inc. | Cavity ring-down spectrometer having mirror isolation |
DE102006045253B3 (de) * | 2006-09-26 | 2007-12-20 | Dräger Medical AG & Co. KG | Gaskonzentrationsmessvorrichtung |
US7649189B2 (en) * | 2006-12-04 | 2010-01-19 | Honeywell International Inc. | CRDS mirror for normal incidence fiber optic coupling |
US7835005B2 (en) * | 2008-02-21 | 2010-11-16 | Thermo Fisher Scientific Inc. | Gas analyzer system |
US7663756B2 (en) * | 2008-07-21 | 2010-02-16 | Honeywell International Inc | Cavity enhanced photo acoustic gas sensor |
US7864326B2 (en) | 2008-10-30 | 2011-01-04 | Honeywell International Inc. | Compact gas sensor using high reflectance terahertz mirror and related system and method |
US8198590B2 (en) * | 2008-10-30 | 2012-06-12 | Honeywell International Inc. | High reflectance terahertz mirror and related method |
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 |
US10094215B2 (en) | 2014-11-11 | 2018-10-09 | Iball Instruments, Llc | Mudlogging device with dual interferometers |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3909132A (en) * | 1974-06-11 | 1975-09-30 | Allied Chem | Spectroscopic temperature measurement |
FR2555747B1 (fr) * | 1983-11-29 | 1986-08-14 | Elf France | Detecteur interferometrique de gaz |
FR2566532B1 (fr) * | 1984-06-22 | 1986-09-12 | Elf France | Detecteur de gaz par interferometrie |
GB2181536A (en) * | 1985-08-09 | 1987-04-23 | Plessey Co Plc | Wavelength scanning optical sensor |
-
1988
- 1988-11-25 FR FR8815456A patent/FR2639711B1/fr not_active Expired - Fee Related
-
1989
- 1989-11-22 US US07/440,267 patent/US5040895A/en not_active Expired - Fee Related
- 1989-11-24 JP JP1306395A patent/JPH02184741A/ja active Pending
- 1989-11-24 DE DE3939359A patent/DE3939359A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US5040895A (en) | 1991-08-20 |
JPH02184741A (ja) | 1990-07-19 |
FR2639711A1 (fr) | 1990-06-01 |
DE3939359A1 (de) | 1990-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |