DE602005003337D1 - Gasnachweis - Google Patents
GasnachweisInfo
- Publication number
- DE602005003337D1 DE602005003337D1 DE602005003337T DE602005003337T DE602005003337D1 DE 602005003337 D1 DE602005003337 D1 DE 602005003337D1 DE 602005003337 T DE602005003337 T DE 602005003337T DE 602005003337 T DE602005003337 T DE 602005003337T DE 602005003337 D1 DE602005003337 D1 DE 602005003337D1
- Authority
- DE
- Germany
- Prior art keywords
- target gas
- lasers
- amplitude
- calculated
- measurements made
- Prior art date
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
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
- G01N21/25—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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
- G01J3/433—Modulation spectrometry; Derivative spectrometry
- G01J3/4338—Frequency modulated spectrometry
-
- 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
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0405252A GB2411953A (en) | 2004-03-09 | 2004-03-09 | High sensitivity gas detector |
GB0405252 | 2004-03-09 | ||
GB0406559A GB2412430A (en) | 2004-03-24 | 2004-03-24 | Hazardous gas detector |
GB0406559 | 2004-03-24 | ||
GB0407533 | 2004-04-02 | ||
GB0407533A GB2412728A (en) | 2004-04-02 | 2004-04-02 | High integrity gas detector |
GB0421319A GB2418483A (en) | 2004-09-27 | 2004-09-27 | Laser diode spectroscopy gas detection |
GB0421319 | 2004-09-27 | ||
PCT/GB2005/000876 WO2005088275A1 (en) | 2004-03-09 | 2005-03-08 | Gas detection |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602005003337D1 true DE602005003337D1 (de) | 2007-12-27 |
DE602005003337T2 DE602005003337T2 (de) | 2008-09-04 |
Family
ID=34961717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005003337T Active DE602005003337T2 (de) | 2004-03-09 | 2005-03-08 | Gasnachweis |
Country Status (6)
Country | Link |
---|---|
US (1) | US7705988B2 (de) |
EP (1) | EP1723407B1 (de) |
AT (1) | ATE378580T1 (de) |
CA (1) | CA2558851C (de) |
DE (1) | DE602005003337T2 (de) |
WO (1) | WO2005088275A1 (de) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070229834A1 (en) | 2004-10-22 | 2007-10-04 | Patel C Kumar N | System and method for high sensitivity optical detection of gases |
US7903704B2 (en) | 2006-06-23 | 2011-03-08 | Pranalytica, Inc. | Tunable quantum cascade lasers and photoacoustic detection of trace gases, TNT, TATP and precursors acetone and hydrogen peroxide |
GB0617719D0 (en) * | 2006-09-08 | 2006-10-18 | Crowcon Detection Instr Ltd | Gas detector |
EP2102633B1 (de) | 2006-12-22 | 2018-02-14 | Photonic Innovations Limited | Gasdetektor |
US8647273B2 (en) * | 2007-06-21 | 2014-02-11 | RF Science & Technology, Inc. | Non-invasive weight and performance management |
US10264993B2 (en) * | 2007-06-21 | 2019-04-23 | Rf Science & Technology Inc. | Sample scanning and analysis system and methods for using the same |
US8382668B2 (en) * | 2007-06-21 | 2013-02-26 | Rf Science & Technology Inc. | Non-invasive determination of characteristics of a sample |
US8647272B2 (en) * | 2007-06-21 | 2014-02-11 | Rf Science & Technology Inc | Non-invasive scanning apparatuses |
US8259299B2 (en) * | 2007-06-21 | 2012-09-04 | Rf Science & Technology Inc. | Gas scanning and analysis |
US7773314B2 (en) * | 2007-09-20 | 2010-08-10 | Lexmark International, Inc. | Laser diode/pre-scan assembly |
KR100937588B1 (ko) | 2007-12-17 | 2010-01-20 | 한국전자통신연구원 | 가스 검출 장치 및 이를 이용한 가스 검출 방법 |
GB0905690D0 (en) * | 2009-04-01 | 2009-05-20 | Univ Cardiff | Fluorescence detection schemes |
US7916947B2 (en) * | 2009-07-01 | 2011-03-29 | Lawrence Livermore National Security, Llc | False alarm recognition in hyperspectral gas plume identification |
US8229679B1 (en) * | 2009-09-14 | 2012-07-24 | Exelis, Inc. | Stepped chirp lidar system and method |
DE102010003034A1 (de) | 2010-03-18 | 2011-09-22 | Vertilas Gmbh | Leuchteinheit |
US9279723B2 (en) | 2010-08-19 | 2016-03-08 | Novatrans Group Sa | Terahertz spectroscopy system and method |
JP5915089B2 (ja) * | 2011-11-01 | 2016-05-11 | 富士電機株式会社 | レーザ式ガス分析計 |
JP2013113664A (ja) | 2011-11-28 | 2013-06-10 | Yokogawa Electric Corp | レーザガス分析装置 |
US9013294B1 (en) | 2012-01-24 | 2015-04-21 | Alarm.Com Incorporated | Alarm probability |
DE102012202893B3 (de) * | 2012-02-27 | 2013-01-17 | Siemens Aktiengesellschaft | Verfahren zur Messung der Konzentration einer Gaskomponente in einem Messgas und Laserspektrometer |
US9068933B2 (en) * | 2012-06-08 | 2015-06-30 | Ut-Battelle, Llc | EGR distribution and fluctuation probe based on CO2 measurements |
US9608408B2 (en) | 2012-09-26 | 2017-03-28 | Pranalytica, Inc. | Long wavelength quantum cascade lasers based on high strain composition |
WO2014113287A1 (en) | 2013-01-17 | 2014-07-24 | Detector Electronics Corporation | Open path gas detector |
NO20131712A1 (no) * | 2013-12-19 | 2015-06-22 | Simtronics As | Filter-verifisering |
FI20145030L (fi) * | 2014-01-15 | 2015-07-16 | Sparklike Ab Oy | Menetelmä ja laite kaasukomponentin havainnoimiseksi läpinäkyvän tilavuuden sisällä |
US9928732B2 (en) * | 2014-04-10 | 2018-03-27 | Nec Corporation | Optical fiber-based remote gas leakage monitoring |
US9683977B2 (en) * | 2014-09-04 | 2017-06-20 | Honeywell International Inc. | Schema to reduce RF traffic and increase the network capacity for large wireless gas sensor networks |
DE202014105282U1 (de) | 2014-11-04 | 2016-02-05 | Sick Ag | Wellenlängen-Modulations-Spektrometer |
DE102014226845B4 (de) | 2014-12-17 | 2016-11-03 | Siemens Aktiengesellschaft | Absorptionsspektrometer |
WO2016145119A1 (en) * | 2015-03-09 | 2016-09-15 | Spectrasensors, Inc. | Intrinsically safe spectroscopic analyzer |
JP2016200558A (ja) * | 2015-04-14 | 2016-12-01 | 横河電機株式会社 | ガス濃度分析装置 |
US10147338B2 (en) * | 2015-04-16 | 2018-12-04 | Pacific Gas And Electric Company | Hazardous gas monitoring training system and method |
GB2538563B (en) * | 2015-05-22 | 2017-08-02 | Optosci Ltd | Gas sensing apparatus |
JPWO2017014097A1 (ja) * | 2015-07-17 | 2018-04-26 | コニカミノルタ株式会社 | ガス検知装置およびガス検知方法 |
WO2017033419A1 (ja) | 2015-08-24 | 2017-03-02 | パナソニックIpマネジメント株式会社 | 物質検出装置、物質検出システム及び物質検出方法 |
JP6660582B2 (ja) * | 2015-09-29 | 2020-03-11 | パナソニックIpマネジメント株式会社 | 物質検出装置及び物質検出システム |
JP6660583B2 (ja) * | 2015-10-27 | 2020-03-11 | パナソニックIpマネジメント株式会社 | 物質検出装置及び物質検出方法 |
US10458904B2 (en) | 2015-09-28 | 2019-10-29 | Ball Aerospace & Technologies Corp. | Differential absorption lidar |
JPWO2017122659A1 (ja) * | 2016-01-15 | 2018-11-01 | コニカミノルタ株式会社 | ガス検知装置およびガス検知方法 |
NO345723B1 (en) * | 2017-04-20 | 2021-07-05 | Neo Monitors As | Method for evaluation of integrity of tuneable laser spectrometers based on noise measurement |
DE102018102059B4 (de) * | 2018-01-30 | 2020-10-22 | Gottfried Wilhelm Leibniz Universität Hannover | Verfahren und Vorrichtung zum Bestimmen einer Konzentration |
CN108827906A (zh) * | 2018-04-20 | 2018-11-16 | 合肥工业大学 | 一种近红外光谱多组分气体在线检测系统及方法 |
US10921245B2 (en) | 2018-06-08 | 2021-02-16 | Ball Aerospace & Technologies Corp. | Method and systems for remote emission detection and rate determination |
CN108956875B (zh) * | 2018-07-03 | 2020-10-27 | 浙江农林大学 | 一种基于物联网的实验室安全监测系统及方法 |
US11860089B2 (en) | 2019-01-31 | 2024-01-02 | Nec Corporation | Receiver, early anomaly detection system and method, and computer-readable medium |
CN110542839B (zh) * | 2019-09-09 | 2021-11-23 | 重庆大学 | 用于sf6气体绝缘设备的全光学绝缘故障监测系统 |
CA3111542C (en) | 2020-03-10 | 2022-09-20 | Galvanic Applied Sciences Inc. | Multiple contaminants natural gas analyser |
US11143588B1 (en) | 2020-03-31 | 2021-10-12 | Msa Technology, Llc | Open path gas detector with synchronous flash detection |
US12017506B2 (en) | 2020-08-20 | 2024-06-25 | Denso International America, Inc. | Passenger cabin air control systems and methods |
US11932080B2 (en) | 2020-08-20 | 2024-03-19 | Denso International America, Inc. | Diagnostic and recirculation control systems and methods |
US11636870B2 (en) | 2020-08-20 | 2023-04-25 | Denso International America, Inc. | Smoking cessation systems and methods |
US11881093B2 (en) | 2020-08-20 | 2024-01-23 | Denso International America, Inc. | Systems and methods for identifying smoking in vehicles |
US11760170B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Olfaction sensor preservation systems and methods |
US11760169B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Particulate control systems and methods for olfaction sensors |
US11813926B2 (en) | 2020-08-20 | 2023-11-14 | Denso International America, Inc. | Binding agent and olfaction sensor |
US11828210B2 (en) | 2020-08-20 | 2023-11-28 | Denso International America, Inc. | Diagnostic systems and methods of vehicles using olfaction |
JP7417768B2 (ja) * | 2021-01-13 | 2024-01-18 | 株式会社日立ハイテク | 自動分析装置および自動分析方法 |
WO2023187792A1 (en) * | 2022-03-31 | 2023-10-05 | Wi-Charge Ltd. | Laser based gas detector |
CN114460023B (zh) * | 2022-04-14 | 2022-08-05 | 华电智控(北京)技术有限公司 | 一种用于同时测量多种气体浓度的检测方法、系统和装置 |
CN115791698B (zh) * | 2023-02-02 | 2023-05-23 | 合肥清芯传感科技有限公司 | 气体浓度检测设备及其控制方法、控制装置和存储介质 |
CN117491313B (zh) * | 2023-11-13 | 2024-05-28 | 南京市锅炉压力容器检验研究院 | 一种基于tdlas的场区甲烷泄漏空间智能识别方法 |
Family Cites Families (24)
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 |
US3805074A (en) * | 1973-01-02 | 1974-04-16 | Texas Instruments Inc | Spectral scan air monitor |
US3846716A (en) * | 1973-07-03 | 1974-11-05 | M Dyatlov | Method of regulating light emitting power of laser and apparatus for effecting same |
US3995960A (en) * | 1975-07-25 | 1976-12-07 | Nasa | Method and apparatus for background signal reduction in opto-acoustic absorption measurement |
EP0088760A1 (de) * | 1981-04-13 | 1983-09-21 | AUSTRALIAN NUCLEAR SCIENCE & TECHNOLOGY ORGANISATION | Gerät zum messen der konzentration von gasförmigem wasserstofffluorid |
US4493553A (en) * | 1982-05-28 | 1985-01-15 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method of and apparatus for measuring temperature and pressure |
US4733084A (en) * | 1985-01-09 | 1988-03-22 | Sumitomo Electric Industries, Ltd. | Method of detection and quantitative determination of sulfur and sulfur monitor using the method |
DE3633931A1 (de) * | 1986-10-04 | 1988-04-07 | Kernforschungsz Karlsruhe | Verfahren und einrichtung zur kontinuierlichen messung der konzentration eines gasbestandteiles |
DE3741026A1 (de) * | 1987-12-03 | 1989-06-15 | Muetek Laser Und Opto Elektron | Verfahren und system zur (spuren-) gasanalyse |
IT1219165B (it) * | 1988-03-31 | 1990-05-03 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore |
EP0364642A1 (de) | 1988-09-22 | 1990-04-25 | The Victoria University Of Manchester | Verfahren und Vorrichtung zum Gasnachweis |
GB2248925B (en) * | 1990-09-18 | 1994-08-24 | Anthony Michael Charles Davies | Method and apparatus for calibrating a spectrometer |
DE4110095C2 (de) * | 1991-03-27 | 1998-02-12 | Draegerwerk Ag | Verfahren zur gasspektroskopischen Messung der Konzentration eines Gasbestandteiles |
US5969825A (en) * | 1991-08-06 | 1999-10-19 | Southwest Sciences Incorporated | Dual-modulation laser line-locking for wavelength modulation spectroscopy |
US5267019A (en) * | 1991-09-30 | 1993-11-30 | Consortium For Surface Processing, Inc. | Method and apparatus for reducing fringe interference in laser spectroscopy |
US5317156A (en) * | 1992-01-29 | 1994-05-31 | Sri International | Diagnostic tests using near-infrared laser absorption spectroscopy |
EP0629851A3 (de) * | 1993-06-17 | 1995-03-22 | Fraunhofer Ges Forschung | Vorrichtung zur absorptionsspektroskopischen Spurengasanalytik. |
US5543621A (en) * | 1995-05-15 | 1996-08-06 | San Jose State University Foundation | Laser diode spectrometer for analyzing the ratio of isotopic species in a substance |
US6064488A (en) * | 1997-06-06 | 2000-05-16 | Monitor Labs, Inc. | Method and apparatus for in situ gas concentration measurement |
WO1999019712A1 (en) * | 1997-10-10 | 1999-04-22 | Zellweger Analytics Limited | Optical gas detection |
JP3336256B2 (ja) | 1998-07-02 | 2002-10-21 | 日本酸素株式会社 | レーザ光によるガスの分光分析方法 |
DE19840345B4 (de) * | 1998-09-04 | 2004-09-30 | Dräger Medical AG & Co. KGaA | Verfahren und Vorrichtung zum quantitativen Aufspüren eines vorgegebenen Gases |
EP1103804B1 (de) | 1999-11-24 | 2005-08-31 | Siemens Aktiengesellschaft | Verfahren zur Detektion von Erdgas |
US7009170B2 (en) * | 2003-06-26 | 2006-03-07 | Itt Manufacturing Enterprises, Inc. | Active remote sensing using a simultaneous spectral sampling technique |
-
2005
- 2005-03-08 EP EP05717944A patent/EP1723407B1/de active Active
- 2005-03-08 AT AT05717944T patent/ATE378580T1/de not_active IP Right Cessation
- 2005-03-08 DE DE602005003337T patent/DE602005003337T2/de active Active
- 2005-03-08 US US10/592,473 patent/US7705988B2/en active Active
- 2005-03-08 CA CA2558851A patent/CA2558851C/en active Active
- 2005-03-08 WO PCT/GB2005/000876 patent/WO2005088275A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ATE378580T1 (de) | 2007-11-15 |
DE602005003337T2 (de) | 2008-09-04 |
CA2558851C (en) | 2016-12-20 |
US20070131882A1 (en) | 2007-06-14 |
WO2005088275A1 (en) | 2005-09-22 |
US7705988B2 (en) | 2010-04-27 |
EP1723407A1 (de) | 2006-11-22 |
EP1723407B1 (de) | 2007-11-14 |
CA2558851A1 (en) | 2005-09-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE602005003337D1 (de) | Gasnachweis | |
CN101358918B (zh) | 用于进行石英增强的光声光谱测量的方法和气体传感器 | |
RU2461815C2 (ru) | Способ и устройство для обнаружения газов, частиц и/или жидкостей | |
US8659759B2 (en) | Laser based cavity enhanced optical absorption gas analyzer | |
JP5855693B2 (ja) | 振動検出装置及び振動検出方法 | |
US8649022B2 (en) | Interferometric material sensing apparatus including adjustable coupling and associated methods | |
EA201200949A1 (ru) | Измерительное устройство и метод исследования пробного газа при помощи инфракрасной абсорбционной спектроскопии | |
WO2006022550A3 (en) | Gas monitor | |
CN105136675B (zh) | 一种有毒有害气体浓度在线测试方法 | |
JP2006275910A5 (de) | ||
CN101213438A (zh) | 光声光谱仪设备 | |
KR20090104812A (ko) | 다중 모드 광섬유 섭동기 | |
JP2007240248A (ja) | 光式多ガス濃度検出方法及び装置 | |
US8649021B2 (en) | Interferometric sensing apparatus including adjustable coupling and associated methods | |
JP5363231B2 (ja) | 振動計測装置及び振動計測方法 | |
CN105092013A (zh) | 声音识别系统及声音识别方法 | |
EP2948780B1 (de) | Spektrumsanalysator eines akustooptischen hf-signals | |
JP2014103336A5 (ja) | 波長掃引光源のモードホップ検出装置 | |
JPH08285823A (ja) | 超音波検査装置 | |
WO2015120888A1 (en) | Dual-probe sweep-free stimulated brillouin optical distributed sensing method and device | |
US20140139835A1 (en) | Measurement device of degree of cure | |
JP2014142299A (ja) | ガス濃度測定装置 | |
KR20180005447A (ko) | 위상 변조기를 이용한 연속 테라헤르츠파 발생장치 | |
JP2006266796A (ja) | 光ヘテロダイン干渉装置 | |
JP2004325099A (ja) | レーザ光源及びこれを用いたレーザ分光分析装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |