ATE516491T1 - Photoakustischer detektor mit verbesserter signalverarbeitung - Google Patents
Photoakustischer detektor mit verbesserter signalverarbeitungInfo
- 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
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)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
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 (de) |
EP (1) | EP2082214B1 (de) |
JP (1) | JP5117505B2 (de) |
CN (1) | CN101535795B (de) |
AT (1) | ATE516491T1 (de) |
WO (1) | WO2008056307A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008056312A1 (en) | 2006-11-10 | 2008-05-15 | 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 |
EP2633278A4 (de) * | 2010-10-28 | 2014-05-28 | Empire Technology Dev Llc | Photoakustischer sensor |
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 |
WO2017056463A1 (ja) * | 2015-09-29 | 2017-04-06 | 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 |
WO2018160733A1 (en) | 2017-03-01 | 2018-09-07 | Spirosure, Inc. | Nitric oxide detection device with reducing gas |
WO2021233560A1 (en) * | 2020-05-20 | 2021-11-25 | Diamontech Ag | Method and apparatus for analyte measurement including real-time quality assessment and improvement |
Family Cites Families (14)
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 |
WO1998014002A1 (de) * | 1996-09-27 | 1998-04-02 | Boehm Markus | Lokalautoadaptiver optischer sensor |
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 |
WO2006092751A1 (en) * | 2005-03-04 | 2006-09-08 | Koninklijke Philips Electronics N.V. | Photoacoustic spectroscopy detector and system |
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 |
WO2008056312A1 (en) | 2006-11-10 | 2008-05-15 | Koninklijke Philips Electronics N.V. | Oscillator element for photo acoustic detector |
-
2007
- 2007-11-02 US US12/513,523 patent/US8234907B2/en not_active Expired - Fee Related
- 2007-11-02 WO PCT/IB2007/054444 patent/WO2008056307A1/en active Application Filing
- 2007-11-02 JP JP2009535841A patent/JP5117505B2/ja not_active Expired - Fee Related
- 2007-11-02 EP EP07826949A patent/EP2082214B1/de not_active Not-in-force
- 2007-11-02 AT AT07826949T patent/ATE516491T1/de not_active IP Right Cessation
- 2007-11-02 CN CN2007800417643A patent/CN101535795B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101535795B (zh) | 2012-02-22 |
CN101535795A (zh) | 2009-09-16 |
JP5117505B2 (ja) | 2013-01-16 |
JP2010509583A (ja) | 2010-03-25 |
WO2008056307A1 (en) | 2008-05-15 |
EP2082214B1 (de) | 2011-07-13 |
US8234907B2 (en) | 2012-08-07 |
EP2082214A1 (de) | 2009-07-29 |
US20100043526A1 (en) | 2010-02-25 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |