DE60310712D1 - Verfahren und System zur Wellenlängenmodulationsspektrometrie - Google Patents
Verfahren und System zur WellenlängenmodulationsspektrometrieInfo
- Publication number
- DE60310712D1 DE60310712D1 DE60310712T DE60310712T DE60310712D1 DE 60310712 D1 DE60310712 D1 DE 60310712D1 DE 60310712 T DE60310712 T DE 60310712T DE 60310712 T DE60310712 T DE 60310712T DE 60310712 D1 DE60310712 D1 DE 60310712D1
- Authority
- DE
- Germany
- Prior art keywords
- wavelength modulation
- modulation spectrometry
- spectrometry
- wavelength
- modulation
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title 1
- 238000004611 spectroscopical analysis Methods 0.000 title 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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- 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
-
- 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
-
- 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
- G01J2003/2866—Markers; Calibrating of scan
-
- 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
- G01N2021/396—Type of laser source
- G01N2021/399—Diode laser
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03019448A EP1510798B1 (de) | 2003-08-28 | 2003-08-28 | Verfahren und System zur Wellenlängenmodulationsspektrometrie |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60310712D1 true DE60310712D1 (de) | 2007-02-08 |
DE60310712T2 DE60310712T2 (de) | 2007-10-11 |
Family
ID=34089623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60310712T Expired - Lifetime DE60310712T2 (de) | 2003-08-28 | 2003-08-28 | Verfahren und System zur Wellenlängenmodulationsspektrometrie |
Country Status (3)
Country | Link |
---|---|
US (1) | US7116422B2 (de) |
EP (1) | EP1510798B1 (de) |
DE (1) | DE60310712T2 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7132661B2 (en) | 2000-08-28 | 2006-11-07 | Spectrasensors, Inc. | System and method for detecting water vapor within natural gas |
US8994947B2 (en) * | 2001-03-19 | 2015-03-31 | Pranalytica, Inc. | Diagnostic method for high sensitivity detection of component concentrations in human gas emissions |
EP1544604B1 (de) * | 2003-12-17 | 2017-09-27 | Siemens Aktiengesellschaft | Verfahren zur Wellenlängenmodulationsspektroskopie |
EP1750116B1 (de) * | 2005-08-04 | 2013-04-17 | Axetris AG | Verfahren und Gerät zur Bestimmung von Gaskonzentrationen |
JP4939024B2 (ja) * | 2005-09-27 | 2012-05-23 | 京セラ株式会社 | 光通信装置、及び光通信方法 |
US7679059B2 (en) * | 2006-04-19 | 2010-03-16 | Spectrasensors, Inc. | Measuring water vapor in hydrocarbons |
EP1850116B1 (de) * | 2006-04-27 | 2013-09-18 | Axetris AG | Verfahren zur Gasdetektion |
US7414727B2 (en) * | 2006-04-28 | 2008-08-19 | Ir Microsystems Sa | Gas detection method and gas detection device |
US7511802B2 (en) | 2006-05-26 | 2009-03-31 | Spectrasensors, Inc. | Measuring trace components of complex gases using gas chromatography/absorption spectrometry |
US7508521B2 (en) * | 2007-03-14 | 2009-03-24 | Spectrasensors, Inc. | Pressure-invariant trace gas detection |
DE102007015611A1 (de) * | 2007-03-30 | 2008-10-09 | Siemens Ag | Verfahren zur nichtdispersiven Infrarot-Gasanalyse |
AU2008240146B2 (en) * | 2007-04-11 | 2013-10-17 | Spectrasensors, Inc. | Reactive gas detection in complex backgrounds |
EP2000792B1 (de) * | 2007-06-06 | 2011-08-03 | Siemens Aktiengesellschaft | Verfahren zur Messung der Konzentration einer Gaskomponente in einem Messgas |
EP2072979B1 (de) * | 2007-12-21 | 2012-02-29 | Siemens Aktiengesellschaft | Verfahren zur Messung der Konzentration einer Gaskomponente in einem Messgas |
WO2010144870A2 (en) * | 2009-06-12 | 2010-12-16 | Spectrasensors, Inc. | Optical absorbance measurements with self-calibration and extended dynamic range |
US8599381B2 (en) * | 2011-01-19 | 2013-12-03 | Massachusetts Institute Of Technology | Gas detector for atmospheric species detection |
DE102011080086B4 (de) * | 2011-07-29 | 2016-04-28 | Siemens Aktiengesellschaft | Verfahren zur Messung der Konzentration einer Gaskomponente in einem Messgas |
DE102012202893B3 (de) | 2012-02-27 | 2013-01-17 | Siemens Aktiengesellschaft | Verfahren zur Messung der Konzentration einer Gaskomponente in einem Messgas und Laserspektrometer |
DE102013201459B4 (de) * | 2013-01-30 | 2017-01-05 | Siemens Aktiengesellschaft | Verfahren zur Messung der Konzentration einer Gaskomponente in einem Messgas |
US9297756B2 (en) * | 2013-02-01 | 2016-03-29 | Battelle Memorial Institute | Capillary absorption spectrometer and process for isotopic analysis of small samples |
GB2524725B (en) * | 2014-03-24 | 2016-03-30 | Servomex Group Ltd | Method and system for correcting incident light fluctuations in absorption spectroscopy |
EP3001180A1 (de) * | 2014-09-29 | 2016-03-30 | Siemens Aktiengesellschaft | Verfahren und Gasanalysator zur Messung der Konzentration einer Gaskomponente in einem Messgas |
CN104359808B (zh) * | 2014-10-30 | 2016-08-10 | 王炳玲 | 一种远程无线pm2.5浓度检测方法 |
US10643008B2 (en) | 2014-11-11 | 2020-05-05 | Spectrasensors, Inc. | Target analyte detection and quantification in sample gases with complex background compositions |
DE102014226845B4 (de) | 2014-12-17 | 2016-11-03 | Siemens Aktiengesellschaft | Absorptionsspektrometer |
DE102016120785A1 (de) * | 2016-11-01 | 2018-05-03 | Krohne Messtechnik Gmbh | Verfahren und Messgerät zur Bestimmung einer Eigenschaft eines Mediums |
CN107664627B (zh) * | 2017-09-19 | 2020-04-21 | 杭州遥测物联网技术有限公司 | 采用激光调幅调制型光源测量低浊度值的方法 |
DE102018214814A1 (de) * | 2018-08-31 | 2020-03-05 | Siemens Aktiengesellschaft | Spektroskopie mit Wellenlängenmodulation |
CN110470623B (zh) * | 2019-08-28 | 2020-09-08 | 中国科学院长春光学精密机械与物理研究所 | 气体浓度检测系统 |
EP3798611B1 (de) * | 2019-09-30 | 2023-05-03 | Siemens Aktiengesellschaft | Verfahren und gasanalysator zur messung der konzentration einer gaskomponente in einem messgas |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6351309B1 (en) * | 1991-08-06 | 2002-02-26 | Southwest Sciences Incorporated | Dual modulation laser line-locking technique for wavelength modulation spectroscopy |
US6040914A (en) * | 1997-06-10 | 2000-03-21 | New Focus, Inc. | Simple, low cost, laser absorption sensor system |
US6356350B1 (en) * | 1998-07-30 | 2002-03-12 | Southwest Sciences Incorporated | Wavelength modulation spectroscopy with multiple harmonic detection |
US6611335B1 (en) * | 1999-08-17 | 2003-08-26 | Southwest Sciences Incorporated | Tone burst diode laser spectroscopy |
US6940599B1 (en) * | 2002-02-08 | 2005-09-06 | Southwest Sciences Incorporated | Envelope functions for modulation spectroscopy |
-
2003
- 2003-08-28 DE DE60310712T patent/DE60310712T2/de not_active Expired - Lifetime
- 2003-08-28 EP EP03019448A patent/EP1510798B1/de not_active Expired - Lifetime
-
2004
- 2004-08-24 US US10/925,203 patent/US7116422B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20050046852A1 (en) | 2005-03-03 |
DE60310712T2 (de) | 2007-10-11 |
EP1510798A1 (de) | 2005-03-02 |
EP1510798B1 (de) | 2006-12-27 |
US7116422B2 (en) | 2006-10-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |