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GB201004353D0 - Multiple pathlength gas cell - Google Patents

Multiple pathlength gas cell

Info

Publication number
GB201004353D0
GB201004353D0 GBGB1004353.7A GB201004353A GB201004353D0 GB 201004353 D0 GB201004353 D0 GB 201004353D0 GB 201004353 A GB201004353 A GB 201004353A GB 201004353 D0 GB201004353 D0 GB 201004353D0
Authority
GB
United Kingdom
Prior art keywords
gas cell
multiple pathlength
pathlength gas
pathlength
cell
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.)
Ceased
Application number
GBGB1004353.7A
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.)
Cascade Technologies Ltd
Original Assignee
Cascade Technologies Ltd
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 Cascade Technologies Ltd filed Critical Cascade Technologies Ltd
Priority to GBGB1004353.7A priority Critical patent/GB201004353D0/en
Publication of GB201004353D0 publication Critical patent/GB201004353D0/en
Priority to PCT/GB2011/000359 priority patent/WO2011114096A2/en
Ceased 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/031—Multipass arrangements
    • 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
    • G01J3/02—Details
    • G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
    • 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
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection 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
    • G01N21/25—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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • 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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G01N2021/396—Type of laser source
    • G01N2021/399—Diode laser
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/066—Modifiable path; multiple paths in one sample
    • G01N2201/0662—Comparing measurements on two or more paths in one sample
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/066—Modifiable path; multiple paths in one sample
    • G01N2201/0668—Multiple paths; optimisable path length
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0696—Pulsed
    • G01N2201/0697—Pulsed lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
GBGB1004353.7A 2010-03-16 2010-03-16 Multiple pathlength gas cell Ceased GB201004353D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB1004353.7A GB201004353D0 (en) 2010-03-16 2010-03-16 Multiple pathlength gas cell
PCT/GB2011/000359 WO2011114096A2 (en) 2010-03-16 2011-03-15 Multiple pathlength gas cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1004353.7A GB201004353D0 (en) 2010-03-16 2010-03-16 Multiple pathlength gas cell

Publications (1)

Publication Number Publication Date
GB201004353D0 true GB201004353D0 (en) 2010-04-28

Family

ID=42261660

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB1004353.7A Ceased GB201004353D0 (en) 2010-03-16 2010-03-16 Multiple pathlength gas cell

Country Status (2)

Country Link
GB (1) GB201004353D0 (en)
WO (1) WO2011114096A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104122223B (en) * 2014-08-07 2017-02-08 中国科学院上海微系统与信息技术研究所 Double-optical-path multi-gas infrared sensor
DE112015007033T5 (en) 2015-10-17 2018-10-25 General Electric Company Gas detector and method of detection
JP7075862B2 (en) 2017-10-16 2022-05-26 株式会社堀場製作所 Analysis equipment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125742A (en) * 1990-07-25 1992-06-30 General Analysis Corporation Long path gas absorption cell
GB9320756D0 (en) * 1993-10-08 1993-12-01 Geotechnical Instr Uk Ltd Gas analyser
US5925881A (en) * 1997-04-24 1999-07-20 Dragerwerk Ag Infrared absorption measuring cell
JP4312294B2 (en) * 1999-03-26 2009-08-12 独立行政法人科学技術振興機構 Isotopomer absorption spectroscopy analyzer and method
GB0208100D0 (en) * 2002-04-09 2002-05-22 Univ Strathclyde Semiconductor diode laser spectrometer arrangement
US7352463B2 (en) * 2002-09-06 2008-04-01 Tdw Delaware, Inc. Method and device for detecting gases by absorption spectroscopy
GB2442980B (en) * 2006-10-18 2011-11-23 Autoliv Dev Improvements in or relating to detection of substances in a subject
GB0623812D0 (en) * 2006-11-29 2007-01-10 Cascade Technologies Ltd Portal
US7796265B2 (en) * 2008-04-24 2010-09-14 Bah Holdings Llc Optical absorption gas analyser

Also Published As

Publication number Publication date
WO2011114096A2 (en) 2011-09-22
WO2011114096A3 (en) 2011-11-17

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)