CA3213035A1 - Plate-forme de mesure de plusieurs especes utilisant une spectroscopie d'absorption pour une mesure de gaz a l'etat de trace co-emis - Google Patents

Plate-forme de mesure de plusieurs especes utilisant une spectroscopie d'absorption pour une mesure de gaz a l'etat de trace co-emis Download PDF

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Publication number
CA3213035A1
CA3213035A1 CA3213035A CA3213035A CA3213035A1 CA 3213035 A1 CA3213035 A1 CA 3213035A1 CA 3213035 A CA3213035 A CA 3213035A CA 3213035 A CA3213035 A CA 3213035A CA 3213035 A1 CA3213035 A1 CA 3213035A1
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CA
Canada
Prior art keywords
species
trace gas
light
methane
laser
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.)
Pending
Application number
CA3213035A
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English (en)
Inventor
Brendan James SMITH
Iain Michael Cooper
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.)
Seekops Inc
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Seekops Inc
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 Seekops Inc filed Critical Seekops Inc
Publication of CA3213035A1 publication Critical patent/CA3213035A1/fr
Pending legal-status Critical Current

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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 sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • G01J3/42Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G01J3/433Modulation spectrometry; Derivative spectrometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0264Electrical interface; User interface
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/10Arrangements of light sources specially adapted for spectrometry or colorimetry
    • G01J3/108Arrangements of light sources specially adapted for spectrometry or colorimetry for measurement in the infrared range
    • 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 sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03Cuvette constructions
    • G01N21/031Multipass arrangements
    • 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 sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504Investigating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/02Mechanical
    • G01N2201/021Special mounting in general
    • G01N2201/0214Airborne
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/02Mechanical
    • G01N2201/021Special mounting in general
    • G01N2201/0216Vehicle borne
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/02Mechanical
    • G01N2201/022Casings
    • G01N2201/0221Portable; cableless; compact; hand-held

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

L'invention concerne des systèmes, des dispositifs et des procédés comprenant une ou plusieurs cavités optiques (102, 104, 206, 302, 402, 502, 602) ; une ou plusieurs sources de lumière (106, 116, 202, 304, 306, 404, 406, 504, 506) configurées pour émettre une longueur d'onde spécifiée ou une bande de longueurs d'onde de lumière ; et un ou plusieurs détecteurs photovoltaïques (114, 124, 204, 308, 408, 410, 508, 510, 606, 608) configurés pour recevoir la lumière émise qui s'est propagée sur une ou plusieurs longueurs de trajet (112, 122, 208, 310, 316, 412, 418, 516, 522), ledit ou lesdits détecteurs photovoltaïques (114, 124, 204, 308, 408, 410, 508, 510, 606, 608) étant configurés pour détecter au moins l'une parmi : une première espèce de gaz à l'état de trace et une seconde espèce de gaz à l'état de trace.
CA3213035A 2021-04-02 2021-08-04 Plate-forme de mesure de plusieurs especes utilisant une spectroscopie d'absorption pour une mesure de gaz a l'etat de trace co-emis Pending CA3213035A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163170303P 2021-04-02 2021-04-02
US63/170,303 2021-04-02
PCT/US2021/044532 WO2022211837A1 (fr) 2021-04-02 2021-08-04 Plate-forme de mesure de plusieurs espèces utilisant une spectroscopie d'absorption pour une mesure de gaz à l'état de trace co-émis

Publications (1)

Publication Number Publication Date
CA3213035A1 true CA3213035A1 (fr) 2022-10-06

Family

ID=83456706

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3213035A Pending CA3213035A1 (fr) 2021-04-02 2021-08-04 Plate-forme de mesure de plusieurs especes utilisant une spectroscopie d'absorption pour une mesure de gaz a l'etat de trace co-emis

Country Status (4)

Country Link
EP (1) EP4314771A1 (fr)
AU (1) AU2021437028A1 (fr)
CA (1) CA3213035A1 (fr)
WO (1) WO2022211837A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3830533A4 (fr) * 2018-07-30 2022-04-20 SeekOps Inc. Dispositif de détection de fuite de gaz portatif ultra-léger
WO2020206006A1 (fr) 2019-04-05 2020-10-08 Seekops Inc. Traitement de signal analogique pour capteur laser léger et compact de gaz à l'état de trace
US11988598B2 (en) 2019-12-31 2024-05-21 Seekops Inc. Optical cell cleaner
US12055485B2 (en) 2020-02-05 2024-08-06 Seekops Inc. Multispecies measurement platform using absorption spectroscopy for measurement of co-emitted trace gases
EP4127740A4 (fr) 2020-03-25 2024-04-24 SeekOps Inc. Démodulateur logarithmique pour une spectroscopie de modulation de longueur d'onde laser

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780566A (en) * 1972-03-07 1973-12-25 Argus Chem Apparatus for continuously monitoring air-pollution
US6509566B1 (en) * 2000-06-22 2003-01-21 Ophir Corporation Oil and gas exploration system and method for detecting trace amounts of hydrocarbon gases in the atmosphere
US7012696B2 (en) * 2000-07-12 2006-03-14 Macquarie Research Ltd. Optical heterodyne detection in optical cavity ringdown spectroscopy
SE516843C2 (sv) * 2000-07-12 2002-03-12 Bo Galle Metod för mätning av gasformiga emissioner och/eller flux
US8665442B2 (en) * 2011-08-18 2014-03-04 Li-Cor, Inc. Cavity enhanced laser based isotopic gas analyzer
US10330592B2 (en) * 2017-07-21 2019-06-25 Serguei Koulikov Laser absorption spectroscopy isotopic gas analyzer
US11226323B2 (en) * 2018-04-27 2022-01-18 International Business Machines Corporation Air-pollution emission source monitoring
EP3811171A4 (fr) * 2018-06-19 2022-03-30 SeekOps Inc. Algorithmes et procédés de modèle d'estimation d'émissions

Also Published As

Publication number Publication date
WO2022211837A1 (fr) 2022-10-06
AU2021437028A1 (en) 2023-10-05
EP4314771A1 (fr) 2024-02-07

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