FR2424533B1 - - Google Patents
Info
- Publication number
- FR2424533B1 FR2424533B1 FR7910675A FR7910675A FR2424533B1 FR 2424533 B1 FR2424533 B1 FR 2424533B1 FR 7910675 A FR7910675 A FR 7910675A FR 7910675 A FR7910675 A FR 7910675A FR 2424533 B1 FR2424533 B1 FR 2424533B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/006—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects using optical pumping
-
- 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
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02818—Density, viscosity
-
- 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
- G01N2291/02881—Temperature
-
- 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
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
Landscapes
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/901,048 US4163382A (en) | 1978-04-28 | 1978-04-28 | Method and apparatus for optoacoustic spectroscopy |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2424533A1 FR2424533A1 (fr) | 1979-11-23 |
FR2424533B1 true FR2424533B1 (fr) | 1984-03-16 |
Family
ID=25413520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7910675A Granted FR2424533A1 (fr) | 1978-04-28 | 1979-04-26 | Procede et appareil perfectionnes de spectroscopie optoacoustique |
Country Status (7)
Country | Link |
---|---|
US (1) | US4163382A (fr) |
JP (1) | JPS54143691A (fr) |
CA (1) | CA1117642A (fr) |
CH (1) | CH645989A5 (fr) |
DE (1) | DE2916974A1 (fr) |
FR (1) | FR2424533A1 (fr) |
GB (1) | GB2020025B (fr) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3008546C2 (de) * | 1980-03-06 | 1983-11-24 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Temperierte Meßzelle für die photoakustische Spektroskopie |
US4372149A (en) * | 1980-11-17 | 1983-02-08 | Zharov Vladimir P | Laser-excited spectrophone |
US4412445A (en) * | 1981-08-27 | 1983-11-01 | Optimetrics, Inc. | Resonant spectrophone system noise elimination |
JPS59145957A (ja) * | 1983-01-08 | 1984-08-21 | Horiba Ltd | 光音響型濃度測定装置 |
DE3302656C2 (de) * | 1983-01-27 | 1985-04-18 | Gkss - Forschungszentrum Geesthacht Gmbh, 2054 Geesthacht | Verfahren und Vorrichtung zur Bestimmung von in natürliche Wässer in Lösung gegangenen Kohlenwasserstoffen |
JPS59222746A (ja) * | 1983-06-01 | 1984-12-14 | Sagami Chem Res Center | 安定同位体の測定方法および装置 |
GB8323685D0 (en) * | 1983-09-03 | 1983-10-05 | Gen Electric Co Plc | Monitoring displacement |
US4641377A (en) * | 1984-04-06 | 1987-02-03 | Institute Of Gas Technology | Photoacoustic speaker and method |
US4678904A (en) * | 1984-07-06 | 1987-07-07 | Technology Dynamics, Inc. | Optical measuring device using a spectral modulation sensor having an optically resonant structure |
US4866681A (en) * | 1988-03-09 | 1989-09-12 | Mine Safety Appliances Company | Photo-acoustic detector |
US5129255A (en) * | 1989-10-06 | 1992-07-14 | The Aerospace Corporation | Photoacoustic detection and tracking apparatus |
EP0431394A3 (en) * | 1989-12-07 | 1992-01-22 | Siemens Aktiengesellschaft | Method and apparatus for gas analysis |
US5125749A (en) * | 1990-09-24 | 1992-06-30 | The Dow Chemical Company | Probe for photoacoustic analysis |
GB9118202D0 (en) * | 1991-08-23 | 1991-10-09 | Detector Electronics Uk Ltd | Flame sensors and methods of sensing flame |
EP0685728B1 (fr) * | 1994-06-04 | 2002-12-11 | Orbisphere Laboratories Neuchatel Sa | Appareil d'analyse photoacoustique |
US5900533A (en) | 1995-08-03 | 1999-05-04 | Trw Inc. | System and method for isotope ratio analysis and gas detection by photoacoustics |
US5780724A (en) * | 1997-03-27 | 1998-07-14 | United Technologies Corp | Photo-acoustic leak detector with improved signal-to-noise response |
US6089076A (en) * | 1998-09-18 | 2000-07-18 | United Technologies Corporation | System to control the power of a beam |
US6154307A (en) * | 1998-09-18 | 2000-11-28 | United Technologies Corporation | Method and apparatus to diffract multiple beams |
US7304732B1 (en) | 2003-11-19 | 2007-12-04 | United States Of America As Represented By The Secretary Of The Army | Microelectromechanical resonant photoacoustic cell |
EP1797478A4 (fr) * | 2004-10-04 | 2009-07-15 | Univ South Carolina | Calcul optique multivarie de selectivite thermique |
US20070229834A1 (en) * | 2004-10-22 | 2007-10-04 | Patel C Kumar N | System and method for high sensitivity optical detection of gases |
WO2008030250A2 (fr) * | 2006-09-07 | 2008-03-13 | William Marsh Rice University | Détecteur spectroscopique laser à processeur intégré |
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 |
GB201312046D0 (en) * | 2013-07-04 | 2013-08-21 | Sonex Metrology Ltd | An acoustic isolation chamber |
GB2538465B (en) * | 2014-04-04 | 2021-03-03 | Halliburton Energy Services Inc | Isotopic analysis from a controlled extractor in communication to a fluid system on a drilling rig |
EP3012616A1 (fr) * | 2014-10-22 | 2016-04-27 | Services Petroliers Schlumberger | Système et procédé pour analyser un échantillon gazeux extrait d'un fluide de forage provenant d'un puits de forage |
WO2016179693A1 (fr) | 2015-05-11 | 2016-11-17 | 9334-3275 Quebec Inc. | Détecteur photo-acoustique |
JP6269576B2 (ja) * | 2015-05-25 | 2018-01-31 | 横河電機株式会社 | 多成分ガス分析システム及び方法 |
MX2019010953A (es) * | 2017-03-15 | 2019-10-21 | Frito Lay North America Inc | Aparato y metodos para la medicion cuantitativa de texturas de liquidos. |
US10365209B1 (en) * | 2017-11-15 | 2019-07-30 | Morgan Schaffer Ltd. | Apparatus and method for performing dissolved gas analysis on a piece of electrical equipment using resonant photo-acoustic spectroscopy and use thereof |
US11029284B2 (en) | 2018-02-08 | 2021-06-08 | South Dakota Board Of Regents | Acoustic resonance chamber |
US11655703B2 (en) * | 2020-06-16 | 2023-05-23 | Halliburton Energy Services, Inc. | Photoacoustic techniques for borehole analysis |
US11680899B2 (en) | 2020-06-16 | 2023-06-20 | Halliburton Energy Services, Inc. | Laser dispersion spectroscopy for borehole analysis |
CN111812035B (zh) * | 2020-06-24 | 2024-05-14 | 大连世有电力科技有限公司 | 一种基于光声光谱原理检测微量气体的模块化实验室设备 |
JP7438051B2 (ja) * | 2020-07-31 | 2024-02-26 | 日立グローバルライフソリューションズ株式会社 | 光音響センサ、光音響センサの校正方法、及び空調システム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3700890A (en) * | 1970-11-02 | 1972-10-24 | Bell Telephone Labor Inc | Measurement of gas impurity concentration by infrared absorption spectroscopy |
US3820901A (en) * | 1973-03-06 | 1974-06-28 | Bell Telephone Labor Inc | Measurement of concentrations of components of a gaseous mixture |
US3948345A (en) * | 1973-06-15 | 1976-04-06 | Allan Rosencwaig | Methods and means for analyzing substances |
US3938365A (en) * | 1973-11-29 | 1976-02-17 | Massachusetts Institute Of Technology | Detecting trace gaseous species acoustically in response to radiation from an intense light source |
-
1978
- 1978-04-28 US US05/901,048 patent/US4163382A/en not_active Expired - Lifetime
-
1979
- 1979-03-26 CA CA000324093A patent/CA1117642A/fr not_active Expired
- 1979-03-27 GB GB7910594A patent/GB2020025B/en not_active Expired
- 1979-04-24 JP JP5074379A patent/JPS54143691A/ja active Pending
- 1979-04-26 DE DE19792916974 patent/DE2916974A1/de not_active Ceased
- 1979-04-26 FR FR7910675A patent/FR2424533A1/fr active Granted
- 1979-04-27 CH CH397379A patent/CH645989A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2020025B (en) | 1982-07-21 |
CH645989A5 (de) | 1984-10-31 |
CA1117642A (fr) | 1982-02-02 |
JPS54143691A (en) | 1979-11-09 |
US4163382A (en) | 1979-08-07 |
GB2020025A (en) | 1979-11-07 |
DE2916974A1 (de) | 1979-11-08 |
FR2424533A1 (fr) | 1979-11-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |