ATE516491T1 - Photoakustischer detektor mit verbesserter signalverarbeitung - Google Patents

Photoakustischer detektor mit verbesserter signalverarbeitung

Info

Publication number
ATE516491T1
ATE516491T1 AT07826949T AT07826949T ATE516491T1 AT E516491 T1 ATE516491 T1 AT E516491T1 AT 07826949 T AT07826949 T AT 07826949T AT 07826949 T AT07826949 T AT 07826949T AT E516491 T1 ATE516491 T1 AT E516491T1
Authority
AT
Austria
Prior art keywords
detector
concentration
sample
pressure variations
current
Prior art date
Application number
AT07826949T
Other languages
German (de)
English (en)
Inventor
Ivon F Helwegen
Kesteren Hans W Van
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE516491T1 publication Critical patent/ATE516491T1/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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/022—Fluid sensors based on microsensors, e.g. quartz crystal-microbalance [QCM], surface acoustic wave [SAW] devices, tuning forks, cantilevers, flexural plate wave [FPW] devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
    • G01N29/2425—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics optoacoustic fluid cells therefor
    • 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
    • G01N2021/1708—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 with piezotransducers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02809—Concentration of a compound, e.g. measured by a surface mass change
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02872—Pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0427—Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever

Landscapes

  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
AT07826949T 2006-11-10 2007-11-02 Photoakustischer detektor mit verbesserter signalverarbeitung ATE516491T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06123851 2006-11-10
PCT/IB2007/054444 WO2008056307A1 (en) 2006-11-10 2007-11-02 Photo acoustic detector with improved signal processing

Publications (1)

Publication Number Publication Date
ATE516491T1 true ATE516491T1 (de) 2011-07-15

Family

ID=39092132

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07826949T ATE516491T1 (de) 2006-11-10 2007-11-02 Photoakustischer detektor mit verbesserter signalverarbeitung

Country Status (6)

Country Link
US (1) US8234907B2 (enExample)
EP (1) EP2082214B1 (enExample)
JP (1) JP5117505B2 (enExample)
CN (1) CN101535795B (enExample)
AT (1) ATE516491T1 (enExample)
WO (1) WO2008056307A1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8040516B2 (en) 2006-11-10 2011-10-18 Koninklijke Philips Electronics N.V. Oscillator element for photo acoustic detector
KR100988566B1 (ko) * 2008-08-27 2010-10-18 삼성전자주식회사 광 검출 방법 및 장치
JP2011193978A (ja) 2010-03-18 2011-10-06 Canon Inc 静電容量型電気機械変換装置の駆動装置及び駆動方法
JP5669950B2 (ja) * 2010-10-28 2015-02-18 エンパイア テクノロジー ディベロップメント エルエルシー 光音響センサー
US8848191B2 (en) 2012-03-14 2014-09-30 Honeywell International Inc. Photoacoustic sensor with mirror
CN103149681B (zh) * 2013-02-04 2015-07-01 山西大学 音叉式斩光器及使用该斩光器的痕量气体测量装置
US9380981B2 (en) 2013-03-15 2016-07-05 Covidien Lp Photoacoustic monitoring technique with noise reduction
JP6207289B2 (ja) * 2013-08-06 2017-10-04 キヤノン株式会社 被検体情報取得装置、レーザー装置および医療装置
CN103472002B (zh) * 2013-09-27 2016-03-02 山东大学 一种光纤激光器腔内光声光谱气体检测系统
US10307080B2 (en) 2014-03-07 2019-06-04 Spirosure, Inc. Respiratory monitor
CN104280340B (zh) * 2014-10-28 2016-08-03 山西大学 基于led光源并采用电学调制相消法的气体探测装置及方法
JP6456511B2 (ja) * 2015-09-29 2019-01-23 富士フイルム株式会社 光音響計測装置及び方法
CN106124411B (zh) * 2016-06-29 2018-10-19 内江师范学院 一种宽光谱型光声光谱痕量物质远距离探测装置及方法
US9772671B1 (en) * 2016-07-07 2017-09-26 Climax Technology Co., Ltd. Low-power alarm detector
JP2020510831A (ja) 2017-03-01 2020-04-09 日本特殊陶業株式会社 還元ガスを用いた一酸化窒素検出装置
WO2021233560A1 (en) * 2020-05-20 2021-11-25 Diamontech Ag Method and apparatus for analyte measurement including real-time quality assessment and improvement
CN114894906B (zh) * 2022-05-26 2025-09-05 浙江师范大学 一种光声谱信号检测电路和石英音叉传感器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303343A (en) * 1980-02-29 1981-12-01 Bell Telephone Laboratories, Incorporated Optoacoustic spectroscopy of condensed matter in bulk form
US4303434A (en) * 1980-09-08 1981-12-01 Owens-Illinois, Inc. Method and apparatus for preheating pulverous materials prior to their introduction into a melting furnace
JPS59231426A (ja) * 1983-06-14 1984-12-26 Shimadzu Corp 光音響検出器
JPS6238345A (ja) * 1985-08-14 1987-02-19 Hitachi Ltd 固形粒子の分析方法及び装置
JPS62129741A (ja) * 1985-12-02 1987-06-12 Hitachi Ltd 光音響分析方法及び装置
JPH07190927A (ja) * 1993-12-27 1995-07-28 Meidensha Corp 懸濁物濃度測定装置
JP3291581B2 (ja) * 1994-02-14 2002-06-10 日本光電工業株式会社 酸素飽和度測定装置および信号処理方法
PT864223E (pt) 1996-09-27 2002-09-30 Markus Bohm Sensor optico auto-adaptavel localmente.
US6160255A (en) 1998-10-05 2000-12-12 The United States Of America As Represented By The Secretary Of The Army Laser-based photoacoustic sensor and method for trace detection and differentiantion of atmospheric NO and NO2
US7245380B2 (en) * 2002-06-10 2007-07-17 William Marsh Rice University Quartz-enhanced photoacoustic spectroscopy
CN1635780A (zh) * 2003-12-31 2005-07-06 中国科学院西安光学精密机械研究所 线阵ccd光积分时间自适应控制方法及装置
JP2008532036A (ja) * 2005-03-04 2008-08-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 光音響分光法の検出器及びシステム
CN1727875A (zh) * 2005-07-19 2006-02-01 大连理工大学 一种氢气浓度的检测方法
US8040516B2 (en) 2006-11-10 2011-10-18 Koninklijke Philips Electronics N.V. Oscillator element for photo acoustic detector

Also Published As

Publication number Publication date
JP5117505B2 (ja) 2013-01-16
CN101535795A (zh) 2009-09-16
WO2008056307A1 (en) 2008-05-15
EP2082214B1 (en) 2011-07-13
CN101535795B (zh) 2012-02-22
US20100043526A1 (en) 2010-02-25
US8234907B2 (en) 2012-08-07
EP2082214A1 (en) 2009-07-29
JP2010509583A (ja) 2010-03-25

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