DK506688D0 - Fremgangsmaade og apparat til detektering af en gasart ved hjaelp af fotoakustisk spektroskopi - Google Patents

Fremgangsmaade og apparat til detektering af en gasart ved hjaelp af fotoakustisk spektroskopi

Info

Publication number
DK506688D0
DK506688D0 DK506688A DK506688A DK506688D0 DK 506688 D0 DK506688 D0 DK 506688D0 DK 506688 A DK506688 A DK 506688A DK 506688 A DK506688 A DK 506688A DK 506688 D0 DK506688 D0 DK 506688D0
Authority
DK
Denmark
Prior art keywords
photoacustic
spectroscopy
detecting
gas type
gas
Prior art date
Application number
DK506688A
Other languages
English (en)
Other versions
DK160590B (da
DK160590C (da
DK506688A (da
Inventor
Mads Hammerich
Jes O Henningsen
Ari Olafsson
Original Assignee
Rovsing A S Christian F
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 Rovsing A S Christian F filed Critical Rovsing A S Christian F
Publication of DK506688D0 publication Critical patent/DK506688D0/da
Priority to DK506688A priority Critical patent/DK160590C/da
Priority to GR890100565A priority patent/GR1001490B/el
Priority to CA000610758A priority patent/CA1318963C/en
Priority to CN89107063A priority patent/CN1021371C/zh
Priority to ES8903093A priority patent/ES2017144A6/es
Priority to EP89910842A priority patent/EP0433385B1/en
Priority to DE89910842T priority patent/DE68907911T2/de
Priority to AT89910842T priority patent/ATE92185T1/de
Priority to US07/663,852 priority patent/US5159411A/en
Priority to PCT/DK1989/000211 priority patent/WO1990002935A1/en
Priority to JP1509950A priority patent/JPH04501767A/ja
Priority to AU43278/89A priority patent/AU628088B2/en
Priority to PT91695A priority patent/PT91695A/pt
Publication of DK506688A publication Critical patent/DK506688A/da
Publication of DK160590B publication Critical patent/DK160590B/da
Application granted granted Critical
Publication of DK160590C publication Critical patent/DK160590C/da

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)
DK506688A 1988-09-12 1988-09-12 Fremgangsmaade til detektering af en gasart ved hjaelp af fotoakustisk spektroskopi DK160590C (da)

Priority Applications (13)

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
GR890100565A GR1001490B (el) 1988-09-12 1989-09-08 Μέ?οδος για την ανίχνευση ενός αερίου με την χρησιμοποίηση φωτοακουστικής φασματοσκοπίας.
CA000610758A CA1318963C (en) 1988-09-12 1989-09-08 Method for the detection of gas using photoacoustic spectroscopy
CN89107063A CN1021371C (zh) 1988-09-12 1989-09-11 利用声光光谱检测气体的方法及其装置
ES8903093A ES2017144A6 (es) 1988-09-12 1989-09-11 Metodo y aparato para la deteccion de un gas mediante espectroscopia fotoacustica.
DE89910842T DE68907911T2 (de) 1988-09-12 1989-09-12 Verfahren und geraet zum nachweis eines gases mittels photoakustik.
EP89910842A EP0433385B1 (en) 1988-09-12 1989-09-12 Method and apparatus for the detection of a gas using photoacoustic spectroscopy
AT89910842T ATE92185T1 (de) 1988-09-12 1989-09-12 Verfahren und geraet zum nachweis eines gases mittels photoakustik.
US07/663,852 US5159411A (en) 1988-09-12 1989-09-12 Method and apparatus for the detection of a gas using photoacoustic spectroscopy
PCT/DK1989/000211 WO1990002935A1 (en) 1988-09-12 1989-09-12 Method for the detection of a gas using photoacoustic spectroscopy
JP1509950A JPH04501767A (ja) 1988-09-12 1989-09-12 光音響分光によるガス検出方法とその装置
AU43278/89A AU628088B2 (en) 1988-09-12 1989-09-12 Method for the detection of a gas using photoacoustic spectroscopy
PT91695A PT91695A (pt) 1988-09-12 1989-09-12 Processo e dispositivo para a deteccao de um gas utilizando-se espectroscopia fotoacustica

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK506688 1988-09-12
DK506688A DK160590C (da) 1988-09-12 1988-09-12 Fremgangsmaade til detektering af en gasart ved hjaelp af fotoakustisk spektroskopi

Publications (4)

Publication Number Publication Date
DK506688D0 true DK506688D0 (da) 1988-09-12
DK506688A DK506688A (da) 1990-03-13
DK160590B DK160590B (da) 1991-03-25
DK160590C DK160590C (da) 1991-09-16

Family

ID=8139154

Family Applications (1)

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

Country Status (12)

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

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 (en) * 1994-06-04 2002-12-11 Orbisphere Laboratories Neuchatel Sa Photoacoustic analyzer
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 (en) * 2001-10-09 2004-07-14 Glucon Inc. Method and apparatus for determining absorption of electromagnetic radiation by a 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 (en) * 2004-10-04 2009-07-15 Univ South Carolina MULTIVARIA OPTICAL CALCULATION OF THERMAL SELECTIVITY
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 (en) * 2006-09-27 2008-04-02 IR Microsystems S.A. Gas detection method and gas detection device
EP2019307B1 (en) * 2007-07-24 2018-10-03 Axetris AG Method and gas sensor for performing quartz-enhanced photoacoustic spectroscopy
JP2009036578A (ja) * 2007-07-31 2009-02-19 Nippon Telegr & Teleph Corp <Ntt> 光吸収測定装置
EP2252874A1 (en) * 2008-03-07 2010-11-24 Koninklijke Philips Electronics N.V. Photo acoustic sample detector with background compensation
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
DE68907911D1 (de) 1993-09-02
ES2017144A6 (es) 1991-01-01
EP0433385A1 (en) 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 (en) 1993-07-28

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