DE69220498D1 - Gasanalysiervorrichtung mit Puffergaseinlässen zum Schutz der dazugehörigen optischen Elemente. - Google Patents

Gasanalysiervorrichtung mit Puffergaseinlässen zum Schutz der dazugehörigen optischen Elemente.

Info

Publication number
DE69220498D1
DE69220498D1 DE69220498T DE69220498T DE69220498D1 DE 69220498 D1 DE69220498 D1 DE 69220498D1 DE 69220498 T DE69220498 T DE 69220498T DE 69220498 T DE69220498 T DE 69220498T DE 69220498 D1 DE69220498 D1 DE 69220498D1
Authority
DE
Germany
Prior art keywords
protect
optical elements
associated optical
gas
buffer
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
Application number
DE69220498T
Other languages
English (en)
Other versions
DE69220498T2 (de
Inventor
Scott Miles
John Mitchell
Donald Gregonis
Joel Harris
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.)
Albion Instruments Inc
Original Assignee
Albion Instruments 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 Albion Instruments Inc filed Critical Albion Instruments Inc
Publication of DE69220498D1 publication Critical patent/DE69220498D1/de
Application granted granted Critical
Publication of DE69220498T2 publication Critical patent/DE69220498T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • 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
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • G01N2021/151—Gas blown
    • 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
    • G01N2021/391—Intracavity sample
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • G01N2021/651—Cuvettes therefore
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N2021/8578—Gaseous flow
DE69220498T 1991-10-04 1992-09-29 Gasanalysiervorrichtung mit Puffergaseinlässen zum Schutz der dazugehörigen optischen Elemente. Expired - Fee Related DE69220498T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/771,625 US5135304A (en) 1990-05-11 1991-10-04 Gas analysis system having buffer gas inputs to protect associated optical elements
PCT/US1992/008259 WO1993007454A1 (en) 1991-10-04 1992-09-29 Gas analysis system having buffer gas inputs to protect associated optical elements

Publications (2)

Publication Number Publication Date
DE69220498D1 true DE69220498D1 (de) 1997-07-24
DE69220498T2 DE69220498T2 (de) 1997-10-16

Family

ID=25092449

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69220498T Expired - Fee Related DE69220498T2 (de) 1991-10-04 1992-09-29 Gasanalysiervorrichtung mit Puffergaseinlässen zum Schutz der dazugehörigen optischen Elemente.

Country Status (6)

Country Link
US (1) US5135304A (de)
EP (1) EP0606384B1 (de)
JP (1) JPH06511556A (de)
CA (1) CA2119028A1 (de)
DE (1) DE69220498T2 (de)
WO (1) WO1993007454A1 (de)

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US8198590B2 (en) * 2008-10-30 2012-06-12 Honeywell International Inc. High reflectance terahertz mirror and related method
US9352416B2 (en) * 2009-11-03 2016-05-31 The Secretary, Department Of Atomic Energy, Govt. Of India Niobium based superconducting radio frequency(SCRF) cavities comprising niobium components joined by laser welding, method and apparatus for manufacturing such cavities
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US8269972B2 (en) 2010-06-29 2012-09-18 Honeywell International Inc. Beam intensity detection in a cavity ring down sensor
US8437000B2 (en) 2010-06-29 2013-05-07 Honeywell International Inc. Multiple wavelength cavity ring down gas sensor
US8322191B2 (en) 2010-06-30 2012-12-04 Honeywell International Inc. Enhanced cavity for a photoacoustic gas sensor
US10925515B2 (en) 2014-05-22 2021-02-23 Picomole Inc. Alveolar breath collection apparatus
US10666012B2 (en) 2017-03-13 2020-05-26 Picomole Inc. Apparatus and method of optimizing laser system
WO2018193666A1 (ja) * 2017-04-21 2018-10-25 株式会社島津製作所 フローセル及びそのフローセルを備えた検出器
DK3781929T3 (da) * 2018-04-20 2022-09-12 Flo2R Aps Gasanalysatorsystem
CN108671666A (zh) * 2018-06-26 2018-10-19 成都易态科技有限公司 气体缓冲组件及防冲击过滤器
US11674888B2 (en) 2018-07-03 2023-06-13 Global Analyzer Systems Limited Self-aligned high finesse optical sensor cell
US11035789B2 (en) 2019-04-03 2021-06-15 Picomole Inc. Cavity ring-down spectroscopy system and method of modulating a light beam therein
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Also Published As

Publication number Publication date
EP0606384A1 (de) 1994-07-20
US5135304A (en) 1992-08-04
EP0606384A4 (de) 1994-06-01
JPH06511556A (ja) 1994-12-22
EP0606384B1 (de) 1997-06-18
CA2119028A1 (en) 1993-04-15
DE69220498T2 (de) 1997-10-16
WO1993007454A1 (en) 1993-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee