DK247786D0 - Fotoakustisk gasanalysator - Google Patents

Fotoakustisk gasanalysator

Info

Publication number
DK247786D0
DK247786D0 DK247786A DK247786A DK247786D0 DK 247786 D0 DK247786 D0 DK 247786D0 DK 247786 A DK247786 A DK 247786A DK 247786 A DK247786 A DK 247786A DK 247786 D0 DK247786 D0 DK 247786D0
Authority
DK
Denmark
Prior art keywords
photoacustic
gas analyzer
analyzer
gas
photoacustic gas
Prior art date
Application number
DK247786A
Other languages
English (en)
Inventor
Ib Erling Joergensen
Sten Andersen Nexoe
Joergen Christensen
Original Assignee
Brueel & Kjaer 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 Brueel & Kjaer As filed Critical Brueel & Kjaer As
Priority to DK247786A priority Critical patent/DK247786D0/da
Publication of DK247786D0 publication Critical patent/DK247786D0/da
Priority to DE3716763A priority patent/DE3716763C2/de
Priority to US07/052,596 priority patent/US4818882A/en
Priority to JP62131064A priority patent/JPS62291544A/ja
Priority to GB8712470A priority patent/GB2190998B/en
Priority to FR878707495A priority patent/FR2599505B1/fr
Priority to CH3524/87A priority patent/CH674264A5/de

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
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J2001/4242—Modulated light, e.g. for synchronizing source and detector circuit
    • 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
    • G01N21/05—Flow-through cuvettes
    • G01N2021/052—Tubular type; cavity type; multireflective
    • 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
    • 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
    • G01N2021/3129—Determining multicomponents by multiwavelength light
DK247786A 1986-05-27 1986-05-27 Fotoakustisk gasanalysator DK247786D0 (da)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DK247786A DK247786D0 (da) 1986-05-27 1986-05-27 Fotoakustisk gasanalysator
DE3716763A DE3716763C2 (de) 1986-05-27 1987-05-19 Photoakustischer Gasanalysator
US07/052,596 US4818882A (en) 1986-05-27 1987-05-20 Photoacoustic gas analyzer
JP62131064A JPS62291544A (ja) 1986-05-27 1987-05-27 光音響的手法による気体分析器
GB8712470A GB2190998B (en) 1986-05-27 1987-05-27 A photoacoustic gas analyzer
FR878707495A FR2599505B1 (fr) 1986-05-27 1987-05-27 Analyseur de gaz photoacoustique
CH3524/87A CH674264A5 (da) 1986-05-27 1987-09-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK247786A DK247786D0 (da) 1986-05-27 1986-05-27 Fotoakustisk gasanalysator

Publications (1)

Publication Number Publication Date
DK247786D0 true DK247786D0 (da) 1986-05-27

Family

ID=8112660

Family Applications (1)

Application Number Title Priority Date Filing Date
DK247786A DK247786D0 (da) 1986-05-27 1986-05-27 Fotoakustisk gasanalysator

Country Status (7)

Country Link
US (1) US4818882A (da)
JP (1) JPS62291544A (da)
CH (1) CH674264A5 (da)
DE (1) DE3716763C2 (da)
DK (1) DK247786D0 (da)
FR (1) FR2599505B1 (da)
GB (1) GB2190998B (da)

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US6853449B2 (en) * 2003-01-28 2005-02-08 Honeywell International Inc. Programmable diffraction grating sensor
CA2461328A1 (en) * 2004-03-24 2005-09-24 Robert Anthony Crane A multiplexed type of spectrophone
DE102005030151B3 (de) * 2005-06-28 2006-11-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Photoakustischer Freifelddetektor
US7886576B2 (en) * 2006-11-06 2011-02-15 Mine Safety Appliances Company Photoacoustic gas sensor
US8117897B2 (en) * 2006-11-27 2012-02-21 Applied Nanotech Holdings, Inc. Elliptical photo-acoustic sensor
DE102007014517B3 (de) * 2007-03-27 2008-08-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zylindrischer photoakustischer Multipass-Detektor mit Anregung der zweiten azimutalen Resonanz
US20100192669A1 (en) * 2007-07-06 2010-08-05 Koninklijke Philips Electronics N.V. Photo acoustic sample detector with light guide
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US8312758B2 (en) * 2008-12-11 2012-11-20 Honeywell International Inc. Apparatus and method for using the speed of sound in photoacoustic gas sensor measurements
CN101718679B (zh) * 2009-11-26 2011-05-25 西南科技大学 在线标定微音器灵敏度的装置及方法
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US8322191B2 (en) * 2010-06-30 2012-12-04 Honeywell International Inc. Enhanced cavity for a photoacoustic gas sensor
US8561454B2 (en) 2010-10-28 2013-10-22 Empire Technology Development Llc Photoacoustic sensor
US8434366B2 (en) 2010-12-15 2013-05-07 Texas Instruments Incorporated Active detection techniques for photoacoustic sensors
US20130174645A1 (en) * 2012-01-06 2013-07-11 Martin Willett Photoacoustic method for oxygen sensing
GB2511327A (en) * 2013-02-28 2014-09-03 Scytronix Ltd Photoacoustic Chemical Detector
CN103954561A (zh) * 2014-05-14 2014-07-30 江苏舒茨测控设备有限公司 用于检测二氧化硫浓度的光声光谱检测装置
DE102015106373B4 (de) * 2015-04-24 2023-03-02 Infineon Technologies Ag Photoakustisches gassensormodul mit lichtemittereinheit und einer detektoreinheit
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NO343314B1 (no) 2015-11-29 2019-01-28 Tunable As Optisk trykksensor
US10620165B2 (en) * 2016-12-29 2020-04-14 Infineon Technologies Ag Photoacoustic gas analyzer for determining species concentrations using intensity modulation
FR3067812B1 (fr) 2017-06-16 2021-08-27 Commissariat A L Energie Atomique Et Aux Energies Alternatives Dispositif photoacoustique de detection de gaz et procede de fabrication d’un tel dispositif
EP3508836B1 (en) * 2018-01-05 2020-07-29 Infineon Technologies AG Photoacoustic system and method for estimating a gas concentration
US11029284B2 (en) 2018-02-08 2021-06-08 South Dakota Board Of Regents Acoustic resonance chamber
DE102018110689B4 (de) * 2018-05-04 2023-09-21 Infineon Technologies Ag Photoaskustische Gassensoren und Verfahren zum Betreiben eines photoakustischen Gassensors
EP3550286B1 (en) 2019-04-17 2021-01-27 Sensirion AG Photoacoustic gas sensor device
CN110132847A (zh) * 2019-05-29 2019-08-16 东北大学 一种便携式共振光声池
CN110702626B (zh) * 2019-10-18 2022-12-27 中国科学院微电子研究所 提升棒状光源聚焦功率并减弱杂散光的装置及光声光谱仪
CN110702610B (zh) * 2019-10-18 2022-12-23 中国科学院微电子研究所 兼顾棒状光源聚焦功率及谱密度均衡的装置及光声光谱仪
FR3104259B1 (fr) * 2019-12-06 2024-03-01 Commissariat Energie Atomique Dispositif pour la caractérisation photo-acoustique d’une substance gazeuse et procédé de fabrication d’un tel dispositif

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Also Published As

Publication number Publication date
GB2190998B (en) 1991-01-23
US4818882A (en) 1989-04-04
JPS62291544A (ja) 1987-12-18
CH674264A5 (da) 1990-05-15
DE3716763C2 (de) 1995-11-16
FR2599505B1 (fr) 1992-08-28
DE3716763A1 (de) 1987-12-03
FR2599505A1 (fr) 1987-12-04
GB8712470D0 (en) 1987-07-01
GB2190998A (en) 1987-12-02

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AHS Application shelved for other reasons than non-payment