CA2087439C - Teledetecteur a l'infrarouge avec transformation de fourier et methode d'utilisation de celui-ci - Google Patents
Teledetecteur a l'infrarouge avec transformation de fourier et methode d'utilisation de celui-ciInfo
- Publication number
- CA2087439C CA2087439C CA002087439A CA2087439A CA2087439C CA 2087439 C CA2087439 C CA 2087439C CA 002087439 A CA002087439 A CA 002087439A CA 2087439 A CA2087439 A CA 2087439A CA 2087439 C CA2087439 C CA 2087439C
- Authority
- CA
- Canada
- Prior art keywords
- target area
- infrared beam
- gases
- wavelength band
- broad wavelength
- 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 claims abstract description 37
- 239000007789 gas Substances 0.000 claims abstract description 87
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 238000000862 absorption spectrum Methods 0.000 claims abstract description 34
- 238000001228 spectrum Methods 0.000 claims description 13
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 description 14
- 238000012544 monitoring process Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000004611 spectroscopical analysis Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101001006370 Actinobacillus suis Hemolysin Proteins 0.000 description 1
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- MCMSPRNYOJJPIZ-UHFFFAOYSA-N cadmium;mercury;tellurium Chemical compound [Cd]=[Te]=[Hg] MCMSPRNYOJJPIZ-UHFFFAOYSA-N 0.000 description 1
- QGDLQBCZPRDWKH-UHFFFAOYSA-N chlorobenzene;1,4-dichlorobenzene Chemical compound ClC1=CC=CC=C1.ClC1=CC=C(Cl)C=C1 QGDLQBCZPRDWKH-UHFFFAOYSA-N 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012306 spectroscopic technique Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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
- 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
- G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/031—Multipass arrangements
- G01N2021/0314—Double pass, autocollimated path
-
- 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
- G01N2021/1793—Remote sensing
-
- 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
- G01N2021/3513—Open path with an instrumental source
-
- 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
- G01N2021/3595—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using FTIR
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US554,511 | 1983-11-23 | ||
US55451190A | 1990-07-16 | 1990-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2087439C true CA2087439C (fr) | 1996-07-09 |
Family
ID=24213648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002087439A Expired - Fee Related CA2087439C (fr) | 1990-07-16 | 1991-07-15 | Teledetecteur a l'infrarouge avec transformation de fourier et methode d'utilisation de celui-ci |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0541734A4 (fr) |
JP (1) | JPH07503532A (fr) |
AU (1) | AU1567392A (fr) |
CA (1) | CA2087439C (fr) |
WO (1) | WO1992009877A2 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2274163B (en) * | 1993-01-12 | 1996-11-20 | Pollution Monitor Syst Ltd | Gas analyser |
GB2373045B (en) * | 2001-05-01 | 2003-01-29 | Golden River Traffic Ltd | Measurement of vehicle emissions |
EP2839265B1 (fr) * | 2012-04-19 | 2017-07-26 | Zolo Technologies, Inc. | Rétroréflecteurs internes de four avec spectromètre à absorption à diode laser accordable orientable |
GB2507721A (en) * | 2012-09-28 | 2014-05-14 | Thales Holdings Uk Plc | Optical cell comprising a telescope |
GB2583377A (en) * | 2019-04-26 | 2020-10-28 | Univ Heriot Watt | Systems and methods using active FTIR spectroscopy for detection of chemical targets |
GB2593195B (en) * | 2020-03-18 | 2023-02-22 | Thermo Fisher Scient Ecublens Sarl | Multipass cell |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2930893A (en) * | 1956-05-21 | 1960-03-29 | Lane B Carpenter | Long path infrared detection of atmospheric contaminants |
DE3072067D1 (en) * | 1979-09-05 | 1988-02-18 | Ici Plc | Method of and apparatus for monitoring gaseous pollutants |
JPS5759145A (en) * | 1980-09-27 | 1982-04-09 | Fujitsu Ltd | Apparatus for spectroscopic analysis by infrared ray |
JPS57108640A (en) * | 1980-12-25 | 1982-07-06 | Fujitsu Ltd | Method for detecting gas concentration |
DD207258A1 (de) * | 1982-04-16 | 1984-02-22 | Dieter Schubert | Anordnung zur erzeugung paralleler lichtbuendel |
JPS58213235A (ja) * | 1982-06-04 | 1983-12-12 | Fujitsu Ltd | ガス検出方式 |
US4746218A (en) * | 1984-06-12 | 1988-05-24 | Syconex Corporation | Gas detectors and gas analyzers utilizing spectral absorption |
NL8503360A (nl) * | 1985-12-05 | 1987-07-01 | Tno | Werkwijze voor het vaststellen van de verdeling van een gas in een ruimte, retro-reflecterend scherm voor infrarode straling en inrichting voor het met behulp van zo een scherm en een stralingsbron voor infrarode straling vaststellen van de verdeling van een gas in een ruimte. |
DE3624567A1 (de) * | 1986-07-21 | 1988-03-24 | Sick Optik Elektronik Erwin | Spektralanalytisches gasmessgeraet |
US4924095A (en) * | 1987-06-02 | 1990-05-08 | West Lodge Research | Remote gas analyzer for motor vehicle exhaust emissions surveillance |
-
1991
- 1991-07-15 CA CA002087439A patent/CA2087439C/fr not_active Expired - Fee Related
- 1991-07-15 EP EP19920908744 patent/EP0541734A4/en not_active Ceased
- 1991-07-15 JP JP4507587A patent/JPH07503532A/ja active Pending
- 1991-07-15 AU AU15673/92A patent/AU1567392A/en not_active Abandoned
- 1991-07-15 WO PCT/US1991/009574 patent/WO1992009877A2/fr not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1992009877A2 (fr) | 1992-06-11 |
EP0541734A1 (fr) | 1993-05-19 |
JPH07503532A (ja) | 1995-04-13 |
AU1567392A (en) | 1992-06-25 |
EP0541734A4 (en) | 1993-07-28 |
WO1992009877A3 (fr) | 1993-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |