DE68907911D1 - Verfahren und geraet zum nachweis eines gases mittels photoakustik. - Google Patents

Verfahren und geraet zum nachweis eines gases mittels photoakustik.

Info

Publication number
DE68907911D1
DE68907911D1 DE8989910842T DE68907911T DE68907911D1 DE 68907911 D1 DE68907911 D1 DE 68907911D1 DE 8989910842 T DE8989910842 T DE 8989910842T DE 68907911 T DE68907911 T DE 68907911T DE 68907911 D1 DE68907911 D1 DE 68907911D1
Authority
DE
Germany
Prior art keywords
photoacoustics
detecting
gas
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
DE8989910842T
Other languages
English (en)
Other versions
DE68907911T2 (de
Inventor
Mads Hammerich
Jes Henningsen
Ari Olafsson
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.)
FLS Airloq AS
Original Assignee
FLS Airloq AS
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 FLS Airloq AS filed Critical FLS Airloq AS
Application granted granted Critical
Publication of DE68907911D1 publication Critical patent/DE68907911D1/de
Publication of DE68907911T2 publication Critical patent/DE68907911T2/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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • 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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases

Landscapes

  • Physics & Mathematics (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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE89910842T 1988-09-12 1989-09-12 Verfahren und geraet zum nachweis eines gases mittels photoakustik. Expired - Fee Related DE68907911T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK506688A DK160590C (da) 1988-09-12 1988-09-12 Fremgangsmaade til detektering af en gasart ved hjaelp af fotoakustisk spektroskopi

Publications (2)

Publication Number Publication Date
DE68907911D1 true DE68907911D1 (de) 1993-09-02
DE68907911T2 DE68907911T2 (de) 1994-02-10

Family

ID=8139154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89910842T Expired - Fee Related DE68907911T2 (de) 1988-09-12 1989-09-12 Verfahren und geraet zum nachweis eines gases mittels photoakustik.

Country Status (12)

Country Link
US (1) US5159411A (de)
EP (1) EP0433385B1 (de)
JP (1) JPH04501767A (de)
CN (1) CN1021371C (de)
AU (1) AU628088B2 (de)
CA (1) CA1318963C (de)
DE (1) DE68907911T2 (de)
DK (1) DK160590C (de)
ES (1) ES2017144A6 (de)
GR (1) GR1001490B (de)
PT (1) PT91695A (de)
WO (1) WO1990002935A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857533A (en) * 1988-12-15 1989-08-15 Baker Cummins Pharmaceuticals, Inc. Method of treatment for autoimmune diseases
DE4122572A1 (de) * 1991-07-08 1993-01-14 Draegerwerk Ag Verfahren zum betrieb einer laserdiode
EP0685728B1 (de) * 1994-06-04 2002-12-11 Orbisphere Laboratories Neuchatel Sa Photoakustisches Analysegerät
NO300346B1 (no) * 1995-04-05 1997-05-12 Sinvent As Foto-akustisk måleanordning
US5900533A (en) * 1995-08-03 1999-05-04 Trw Inc. System and method for isotope ratio analysis and gas detection by photoacoustics
US6044329A (en) * 1997-06-19 2000-03-28 Kware Software Systems Inc. Laser gas analyzer and a method of operating the laser to reduce non-linearity errors
US6227036B1 (en) 1998-10-28 2001-05-08 The Regents Of The University Of Michigan Multiple microphone photoacoustic leak detection and localization system and method
US6618148B1 (en) * 2000-02-10 2003-09-09 Southwest Sciences Incorporated Acoustic resonance frequency locked photoacoustic spectrometer
US6608683B1 (en) * 2000-02-10 2003-08-19 Southwest Sciences Incorporated Acoustic resonance phase locked photoacoustic spectrometer
DE50114746D1 (de) * 2000-10-09 2009-04-16 Siemens Ag Optoakustische messanordnung und deren verwendung
US6662627B2 (en) 2001-06-22 2003-12-16 Desert Research Institute Photoacoustic instrument for measuring particles in a gas
EP1436591A2 (de) * 2001-10-09 2004-07-14 Glucon Inc. Verfahren und vorrichtung zur bestimmung der absorption elektromagnetischer strahlung in einem material
WO2003104767A2 (en) * 2002-06-10 2003-12-18 William Marsh Rice University Quartz-enhanced photoacoustic spectroscopy
US7646484B2 (en) 2002-10-07 2010-01-12 Intellidx, Inc. Method and apparatus for performing optical measurements of a material
US6975402B2 (en) * 2002-11-19 2005-12-13 Sandia National Laboratories Tunable light source for use in photoacoustic spectrometers
US7805980B2 (en) * 2004-02-09 2010-10-05 William Marsh Rice University Selectivity enhancement in photoacoustic gas analysis via phase-sensitive detection at high modulation frequency
DE102004034832B4 (de) * 2004-07-19 2014-05-22 Gerhart Schroff Verfahren und Anordnung zur Gasanalyse
EP1797478A4 (de) * 2004-10-04 2009-07-15 Univ South Carolina Multivariate optische berechnung thermaler selektivität
US7375814B2 (en) * 2005-03-11 2008-05-20 Sandia Corporation Natural gas leak mapper
CN100456022C (zh) * 2006-01-18 2009-01-28 聚光科技（杭州）有限公司 激光气体分析系统的标定方法
US7710000B2 (en) 2006-08-04 2010-05-04 Schlumberger Technology Corporation Erosion and wear resistant sonoelectrochemical probe
US7804598B2 (en) * 2006-08-04 2010-09-28 Schlumberger Technology Corportion High power acoustic resonator with integrated optical interfacial elements
EP1906169A1 (de) * 2006-09-27 2008-04-02 IR Microsystems S.A. Gasdetektionsverfahren und Gasdetektionsvorrichtung
EP2019307B1 (de) * 2007-07-24 2018-10-03 Axetris AG Verfahren und Gassensor zur Durchführung einer quartz-verstärkten photoakustischen Spektroskopie
JP2009036578A (ja) * 2007-07-31 2009-02-19 Nippon Telegr & Teleph Corp <Ntt> 光吸収測定装置
EP2252874A1 (de) * 2008-03-07 2010-11-24 Koninklijke Philips Electronics N.V. Photoakustischer probendetektor mit hintergrundkompensation
WO2009126636A2 (en) * 2008-04-09 2009-10-15 Halliburton Energy Services Inc. Apparatus and method for analysis of a fluid sample
US8054470B2 (en) * 2008-05-15 2011-11-08 Lockheed Martin Corporation Method and apparatus for spectroscopic characterization of samples using a laser-ultrasound system
MY162195A (en) 2010-07-08 2017-05-31 Halliburton Energy Services Inc Method and system of determining constituent components of a fluid sample
JP2013214703A (ja) * 2012-03-09 2013-10-17 Fujifilm Corp レーザ装置及び光音響計測装置
US8848191B2 (en) 2012-03-14 2014-09-30 Honeywell International Inc. Photoacoustic sensor with mirror
CN103954560B (zh) * 2014-04-29 2017-02-08 北京遥测技术研究所 一种用于光声多组分气体检测的空间光束耦合装置
US10620165B2 (en) * 2016-12-29 2020-04-14 Infineon Technologies Ag Photoacoustic gas analyzer for determining species concentrations using intensity modulation
CN107328716B (zh) * 2017-06-09 2020-02-07 青岛大学附属医院 一种医用气体探测器的非线性修正方法
CN112525843B (zh) * 2021-02-07 2021-05-04 湖北鑫英泰系统技术股份有限公司 一种变压器油中气体甲烷和乙烯的混合识别方法及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948345A (en) * 1973-06-15 1976-04-06 Allan Rosencwaig Methods and means for analyzing substances
US4058725A (en) * 1975-04-04 1977-11-15 Aine Harry E Infrared absorption spectrometer employing a dual optoacoustic detector
US4457162A (en) * 1982-09-17 1984-07-03 Institute Of Gas Technology Multi-frequency photo-acoustic detector
WO1985003574A1 (en) * 1984-02-07 1985-08-15 Oskar Oehler Device for the photoacoustic detection of gas
US4622845A (en) * 1985-03-21 1986-11-18 Westinghouse Electric Corp. Method and apparatus for the detection and measurement of gases

Also Published As

Publication number Publication date
CA1318963C (en) 1993-06-08
DE68907911T2 (de) 1994-02-10
WO1990002935A1 (en) 1990-03-22
US5159411A (en) 1992-10-27
DK160590B (da) 1991-03-25
PT91695A (pt) 1990-03-30
AU4327889A (en) 1990-04-02
DK160590C (da) 1991-09-16
GR890100565A (en) 1990-10-31
DK506688D0 (da) 1988-09-12
ES2017144A6 (es) 1991-01-01
EP0433385A1 (de) 1991-06-26
JPH04501767A (ja) 1992-03-26
CN1021371C (zh) 1993-06-23
AU628088B2 (en) 1992-09-10
DK506688A (da) 1990-03-13
GR1001490B (el) 1994-02-28
CN1042236A (zh) 1990-05-16
EP0433385B1 (de) 1993-07-28

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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