ATE514073T1 - Unterdrückung des hintergrundsignals bei einem fotoakustischen detektor - Google Patents

Unterdrückung des hintergrundsignals bei einem fotoakustischen detektor

Info

Publication number
ATE514073T1
ATE514073T1 AT05849940T AT05849940T ATE514073T1 AT E514073 T1 ATE514073 T1 AT E514073T1 AT 05849940 T AT05849940 T AT 05849940T AT 05849940 T AT05849940 T AT 05849940T AT E514073 T1 ATE514073 T1 AT E514073T1
Authority
AT
Austria
Prior art keywords
light beam
acoustic waves
cavity
sample
acoustic
Prior art date
Application number
AT05849940T
Other languages
English (en)
Inventor
Kesteren Hans 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 ATE514073T1 publication Critical patent/ATE514073T1/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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0037—NOx
    • 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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AT05849940T 2005-01-03 2005-12-29 Unterdrückung des hintergrundsignals bei einem fotoakustischen detektor ATE514073T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05300002 2005-01-03
PCT/IB2005/054423 WO2006072867A1 (en) 2005-01-03 2005-12-29 Background acoustic signal suppression in photoacoustic detector

Publications (1)

Publication Number Publication Date
ATE514073T1 true ATE514073T1 (de) 2011-07-15

Family

ID=36202549

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05849940T ATE514073T1 (de) 2005-01-03 2005-12-29 Unterdrückung des hintergrundsignals bei einem fotoakustischen detektor

Country Status (6)

Country Link
US (1) US7814777B2 (de)
EP (1) EP1836477B1 (de)
JP (1) JP4750132B2 (de)
CN (1) CN100538329C (de)
AT (1) ATE514073T1 (de)
WO (1) WO2006072867A1 (de)

Families Citing this family (28)

* 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
CN101688827B (zh) * 2007-07-06 2012-02-29 皇家飞利浦电子股份有限公司 具有光导的光声样本检测器
EP2300193B9 (de) * 2008-06-20 2015-03-18 TRUMPF Werkzeugmaschinen GmbH + Co. KG Laserbearbeitungsmaschine mit einem photoakustisch-messkopf in der eine gasatmosphäre enthaltenden strahlführung
US9271654B2 (en) * 2009-06-29 2016-03-01 Helmholtz Zentrum Munchen Deutsches Forschungszentrum Fur Gesundheit Und Umwelt (Gmbh) Thermoacoustic imaging with quantitative extraction of absorption map
JP5763658B2 (ja) * 2009-11-03 2015-08-12 コーニンクレッカ フィリップス エヌ ヴェ 呼気中特定ガス濃度の測定装置
CN102169085B (zh) * 2010-12-10 2013-07-03 中国科学院安徽光学精密机械研究所 温度可控光声吸收光谱测量装置
US8746038B2 (en) * 2011-04-01 2014-06-10 Honeywell International Inc. Photoacoustic detector with acoustic and vibration noise compensation
FR2974413B1 (fr) * 2011-04-21 2014-06-13 Commissariat Energie Atomique Detecteur de gaz photoacoustique a cellule de helmholtz
US8661874B2 (en) * 2011-04-28 2014-03-04 Honeywell International Inc. Photoacoustic detector with background signal correction
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
US10307080B2 (en) 2014-03-07 2019-06-04 Spirosure, Inc. Respiratory monitor
GB201415151D0 (en) 2014-08-27 2014-10-08 Sonex Metrology Ltd Photoacoustic cell system and method
US20160282313A1 (en) * 2015-03-26 2016-09-29 General Electric Company Trace Gas Measurement Apparatus for Electrical Equipment
DE202015002315U1 (de) 2015-03-27 2015-05-06 Infineon Technologies Ag Gassensor
EP3341111B1 (de) * 2015-08-24 2020-09-30 Zeteo Tech, Inc. Beschichtung von aerosolpartikeln mit einer akustischen beschichtungsvorrichtung
US20170325012A1 (en) 2016-05-06 2017-11-09 Infineon Technologies Ag Device for detecting acoustic waves
DE102016209798A1 (de) * 2016-06-03 2017-12-07 Robert Bosch Gmbh Mikroelektronische Sensorvorrichtung und Verfahren zum Herstellen einer mikroelektronischen Sensorvorrichtung
EP3589203A1 (de) 2017-03-01 2020-01-08 NGK Spark Plug Co., Ltd. Stickoxiddetektor mit reduktionsgas
CN107132203A (zh) * 2017-05-04 2017-09-05 北京清环智慧水务科技有限公司 气体纯净度检测方法、系统和装置
DE102017213520A1 (de) * 2017-08-03 2019-02-07 Infineon Technologies Ag Referenzkammer für einen Fluidsensor, Fluidsensor, Vorrichtung mit einem Fluidsensor und Verfahren zum Bereitstellen einer Referenzkammer sowie zum Bestimmen einer Atmosphäreneigenschaft in einer Referenzkammer
DE102018112341B4 (de) * 2018-05-23 2023-03-30 Infineon Technologies Ag Photoakustischer gassensor und verfahren zum betreiben eines photoakustischen gassensors
CN112930142B (zh) 2018-07-14 2025-03-04 阿瑞特医疗技术有限公司 呼吸诊断工具和方法
CN109982178A (zh) * 2019-03-05 2019-07-05 钰太芯微电子科技（上海）有限公司 一种带led发光的麦克风
US11397177B2 (en) * 2019-05-14 2022-07-26 The Regents Of The University Of California Detection of biomarkers from exhaled breath
CN111323377B (zh) * 2020-04-16 2023-03-21 中国科学院电工研究所 一种具有主动降噪功能的光声光谱装置
TR2022018724A2 (tr) * 2022-12-07 2023-01-23 Hyperion Ileri Teknoloji Anonim Sirketi İstenmeyen di̇nami̇k etki̇leşi̇mleri̇ ortadan kaldiran bi̇yoloji̇k numune seti̇ ve kullanim yöntemi̇

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995960A (en) * 1975-07-25 1976-12-07 Nasa Method and apparatus for background signal reduction in opto-acoustic absorption measurement
US4277179A (en) * 1979-03-12 1981-07-07 The United States Of America As Represented By The Secretary Of The Army Resonant subcavity differential spectrophone
US4412445A (en) * 1981-08-27 1983-11-01 Optimetrics, Inc. Resonant spectrophone system noise elimination
CN87201016U (zh) * 1987-01-24 1988-02-17 吴瑾 能吸除噪声的纱窗或纱门
JPS63304138A (ja) * 1987-06-05 1988-12-12 Hitachi Ltd 超ウラン元素の比色分析方法及び装置
JPH01187459A (ja) * 1988-01-21 1989-07-26 Hitachi Ltd 免疫分析方法
EP0855592B1 (de) * 1997-01-25 2006-07-12 Siemens Schweiz AG Optoakustischer Gassensor
US5780724A (en) * 1997-03-27 1998-07-14 United Technologies Corp Photo-acoustic leak detector with improved signal-to-noise response
US6834548B1 (en) * 2003-06-18 2004-12-28 International Business Machines Corporation Method and apparatus for reduction of high-frequency vibrations in thick pellicles
JP4387987B2 (ja) * 2004-06-11 2009-12-24 株式会社オクテック 微小構造体の検査装置、微小構造体の検査方法および微小構造体の検査プログラム

Also Published As

Publication number Publication date
JP2008527323A (ja) 2008-07-24
EP1836477B1 (de) 2011-06-22
CN101095042A (zh) 2007-12-26
CN100538329C (zh) 2009-09-09
JP4750132B2 (ja) 2011-08-17
US7814777B2 (en) 2010-10-19
EP1836477A1 (de) 2007-09-26
US20100020326A1 (en) 2010-01-28
WO2006072867A1 (en) 2006-07-13

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