DE3734401A1 - Laserabsorptionsspektrometer - Google Patents

Laserabsorptionsspektrometer

Info

Publication number
DE3734401A1
DE3734401A1 DE19873734401 DE3734401A DE3734401A1 DE 3734401 A1 DE3734401 A1 DE 3734401A1 DE 19873734401 DE19873734401 DE 19873734401 DE 3734401 A DE3734401 A DE 3734401A DE 3734401 A1 DE3734401 A1 DE 3734401A1
Authority
DE
Germany
Prior art keywords
laser
absorption
absorption line
spectrometer according
gas
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.)
Granted
Application number
DE19873734401
Other languages
German (de)
English (en)
Other versions
DE3734401C2 (enrdf_load_stackoverflow
Inventor
Horst Dr Dipl Ing Preier
Roland Dr Grisar
Wolfgang Dipl Phys Riedel
Bernard Halford
Helmut Dipl Phys Wolf
Ulrich Klocke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority to DE19873734401 priority Critical patent/DE3734401A1/de
Publication of DE3734401A1 publication Critical patent/DE3734401A1/de
Application granted granted Critical
Publication of DE3734401C2 publication Critical patent/DE3734401C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01J3/02—Details
    • G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Semiconductor Lasers (AREA)
DE19873734401 1987-10-12 1987-10-12 Laserabsorptionsspektrometer Granted DE3734401A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873734401 DE3734401A1 (de) 1987-10-12 1987-10-12 Laserabsorptionsspektrometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873734401 DE3734401A1 (de) 1987-10-12 1987-10-12 Laserabsorptionsspektrometer

Publications (2)

Publication Number Publication Date
DE3734401A1 true DE3734401A1 (de) 1989-04-27
DE3734401C2 DE3734401C2 (enrdf_load_stackoverflow) 1989-09-21

Family

ID=6338106

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873734401 Granted DE3734401A1 (de) 1987-10-12 1987-10-12 Laserabsorptionsspektrometer

Country Status (1)

Country Link
DE (1) DE3734401A1 (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655781A1 (fr) * 1989-12-08 1991-06-14 Oscilloquartz Sa Circuit de stabilisation de la frequence d'emission d'une diode laser et diode laser stabilisee.
DE4000583A1 (de) * 1990-01-10 1991-07-11 Muetek Gmbh Verfahren zum betreiben eines strahlungsabsorptionsspektrometers
DE4110095A1 (de) * 1991-03-27 1992-10-01 Draegerwerk Ag Verfahren und vorrichtung zur spektroskopischen messung der konzentration eines gasbestandteiles
WO1999046579A1 (de) * 1998-02-24 1999-09-16 Pleban Kai Uwe Verfahren und vorrichtung zum untersuchen einer gas- oder flüssigkeitsprobe
US5969825A (en) * 1991-08-06 1999-10-19 Southwest Sciences Incorporated Dual-modulation laser line-locking for wavelength modulation spectroscopy
US6351309B1 (en) 1991-08-06 2002-02-26 Southwest Sciences Incorporated Dual modulation laser line-locking technique for wavelength modulation spectroscopy
DE19634191B4 (de) * 1995-08-24 2008-06-26 Tulip, John, Edmonton Vorrichtung und Verfahren zur Gasdetektion

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4012454C1 (enrdf_load_stackoverflow) * 1990-04-19 1991-08-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen, De

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106331C2 (de) * 1981-02-20 1986-05-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Gerät zur Bestimmung der Konzentration eines Bestandteils einer Meßgasprobe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106331C2 (de) * 1981-02-20 1986-05-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Gerät zur Bestimmung der Konzentration eines Bestandteils einer Meßgasprobe

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655781A1 (fr) * 1989-12-08 1991-06-14 Oscilloquartz Sa Circuit de stabilisation de la frequence d'emission d'une diode laser et diode laser stabilisee.
DE4000583A1 (de) * 1990-01-10 1991-07-11 Muetek Gmbh Verfahren zum betreiben eines strahlungsabsorptionsspektrometers
DE4110095A1 (de) * 1991-03-27 1992-10-01 Draegerwerk Ag Verfahren und vorrichtung zur spektroskopischen messung der konzentration eines gasbestandteiles
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
US6351309B1 (en) 1991-08-06 2002-02-26 Southwest Sciences Incorporated Dual modulation laser line-locking technique for wavelength modulation spectroscopy
DE19634191B4 (de) * 1995-08-24 2008-06-26 Tulip, John, Edmonton Vorrichtung und Verfahren zur Gasdetektion
WO1999046579A1 (de) * 1998-02-24 1999-09-16 Pleban Kai Uwe Verfahren und vorrichtung zum untersuchen einer gas- oder flüssigkeitsprobe

Also Published As

Publication number Publication date
DE3734401C2 (enrdf_load_stackoverflow) 1989-09-21

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee