DK0939886T3 - Fotoakustisk infrarød detektor - Google Patents

Fotoakustisk infrarød detektor

Info

Publication number
DK0939886T3
DK0939886T3 DK97936891T DK97936891T DK0939886T3 DK 0939886 T3 DK0939886 T3 DK 0939886T3 DK 97936891 T DK97936891 T DK 97936891T DK 97936891 T DK97936891 T DK 97936891T DK 0939886 T3 DK0939886 T3 DK 0939886T3
Authority
DK
Denmark
Prior art keywords
chamber
main part
pressure sensor
opposite side
gas
Prior art date
Application number
DK97936891T
Other languages
Danish (da)
English (en)
Inventor
Ralph Bernstein
Alain Ferber
Original Assignee
Leiv Eiriksson Nyfotek 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 Leiv Eiriksson Nyfotek As filed Critical Leiv Eiriksson Nyfotek As
Application granted granted Critical
Publication of DK0939886T3 publication Critical patent/DK0939886T3/da

Links

Classifications

    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/38—Radiation pyrometry, e.g. infrared or optical thermometry using extension or expansion of solids or fluids
    • G01J5/42—Radiation pyrometry, e.g. infrared or optical thermometry using extension or expansion of solids or fluids using Golay cells
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Glass Compositions (AREA)
  • Light Receiving Elements (AREA)
  • Geophysics And Detection Of Objects (AREA)
DK97936891T 1996-09-19 1997-09-03 Fotoakustisk infrarød detektor DK0939886T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO963924A NO963924A (no) 1996-09-19 1996-09-19 Foto-akustisk infrarød detektor
PCT/NO1997/000230 WO1998012522A1 (en) 1996-09-19 1997-09-03 Photo acoustic infrared (ir) detector

Publications (1)

Publication Number Publication Date
DK0939886T3 true DK0939886T3 (da) 2003-06-10

Family

ID=19899852

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97936891T DK0939886T3 (da) 1996-09-19 1997-09-03 Fotoakustisk infrarød detektor

Country Status (8)

Country Link
US (1) US6222190B1 (de)
EP (1) EP0939886B1 (de)
AT (1) ATE235676T1 (de)
AU (1) AU3954897A (de)
DE (1) DE69720242T2 (de)
DK (1) DK0939886T3 (de)
NO (1) NO963924A (de)
WO (1) WO1998012522A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO308228B1 (no) 1997-11-26 2000-08-14 Presens As Dynamisk trykksensor
FR2791134A1 (fr) * 1999-03-16 2000-09-22 Commissariat Energie Atomique Detecteur photoacoustique integre
FI116859B (fi) * 2002-09-30 2006-03-15 Noveltech Solutions Ltd Fotoakustinen detektori
FI118548B (fi) 2002-09-30 2007-12-14 Noveltech Solutions Ltd Fotoakustinen detektori
DE102004034832B4 (de) * 2004-07-19 2014-05-22 Gerhart Schroff Verfahren und Anordnung zur Gasanalyse
NO321281B1 (no) * 2004-09-15 2006-04-18 Sintef Infrarod kilde
US7886576B2 (en) * 2006-11-06 2011-02-15 Mine Safety Appliances Company Photoacoustic gas sensor
DE102008018504A1 (de) * 2008-04-10 2009-10-15 Forschungszentrum Jülich GmbH Sensoranordnung
US8695402B2 (en) * 2010-06-03 2014-04-15 Honeywell International Inc. Integrated IR source and acoustic detector for photoacoustic gas sensor
CN102539331B (zh) * 2012-02-13 2014-12-10 上海交通大学 用于无创血糖检测的单腔光声池及检测方法
US8848191B2 (en) 2012-03-14 2014-09-30 Honeywell International Inc. Photoacoustic sensor with mirror
US9513261B2 (en) 2013-10-14 2016-12-06 Infineon Technologies Ag Photoacoustic gas sensor device and a method for analyzing gas
WO2016141155A1 (en) 2015-03-05 2016-09-09 Honeywell International Inc. Use of selected glass types and glass thicknesses in the optical path to remove cross sensitivity to water absorption peaks
DE102015106373B4 (de) * 2015-04-24 2023-03-02 Infineon Technologies Ag Photoakustisches gassensormodul mit lichtemittereinheit und einer detektoreinheit
US10458900B2 (en) 2015-09-10 2019-10-29 Honeywell International Inc. Gas detector with normalized response and improved sensitivity
EP3359933A1 (de) * 2015-10-09 2018-08-15 Honeywell International Inc. Detektor für elektromagnetische strahlung mit einer planaren golay-zelle
US9606049B1 (en) * 2015-10-09 2017-03-28 Honeywell International Inc. Gas detector using a golay cell
KR102071648B1 (ko) * 2018-07-23 2020-01-30 연세대학교 산학협력단 생체 모방형 광센서 및 그의 제조 방법
EP3550286B1 (de) 2019-04-17 2021-01-27 Sensirion AG Photo-akustische gassensorvorrichtung
EP3742137B1 (de) * 2019-05-24 2021-06-30 Infineon Technologies AG Photoakustisches empfindliches modul
CN111595432B (zh) * 2020-06-23 2022-07-26 平瑞安防(深圳)有限公司 一种振动探测机构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003574A1 (en) * 1984-02-07 1985-08-15 Oskar Oehler Device for the photoacoustic detection of gas
US4866681A (en) 1988-03-09 1989-09-12 Mine Safety Appliances Company Photo-acoustic detector
US4903248A (en) 1988-03-09 1990-02-20 Mine Safety Appliances Company Photo-acoustic detector
DE9006169U1 (de) 1990-05-31 1991-07-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
EP0685728B1 (de) * 1994-06-04 2002-12-11 Orbisphere Laboratories Neuchatel Sa Photoakustisches Analysegerät
NO300078B1 (no) * 1995-02-10 1997-04-01 Sinvent As Fotoakustisk gassdetektor
PT855592E (pt) * 1997-01-25 2006-11-30 Siemens Schweiz Ag Sensor de gás optoacústico

Also Published As

Publication number Publication date
WO1998012522A1 (en) 1998-03-26
DE69720242T2 (de) 2004-01-08
NO963924D0 (no) 1996-09-19
EP0939886B1 (de) 2003-03-26
EP0939886A1 (de) 1999-09-08
NO301854B1 (no) 1997-12-15
ATE235676T1 (de) 2003-04-15
DE69720242D1 (de) 2003-04-30
NO963924A (no) 1997-12-15
US6222190B1 (en) 2001-04-24
AU3954897A (en) 1998-04-14

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