DE3901825A1 - Optisches gasanalysegeraet mit elektro-optisch modulierbarem kammfilter - Google Patents

Optisches gasanalysegeraet mit elektro-optisch modulierbarem kammfilter

Info

Publication number
DE3901825A1
DE3901825A1 DE19893901825 DE3901825A DE3901825A1 DE 3901825 A1 DE3901825 A1 DE 3901825A1 DE 19893901825 DE19893901825 DE 19893901825 DE 3901825 A DE3901825 A DE 3901825A DE 3901825 A1 DE3901825 A1 DE 3901825A1
Authority
DE
Germany
Prior art keywords
layers
field strength
light beam
gas analyzer
electric field
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
DE19893901825
Other languages
German (de)
English (en)
Other versions
DE3901825C2 (enExample
Inventor
Reinhard Prof Dr Ulrich
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.)
H Maihak AG
Original Assignee
H Maihak AG
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 H Maihak AG filed Critical H Maihak AG
Priority to DE19893901825 priority Critical patent/DE3901825A1/de
Publication of DE3901825A1 publication Critical patent/DE3901825A1/de
Application granted granted Critical
Publication of DE3901825C2 publication Critical patent/DE3901825C2/de
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12Generating the spectrum; Monochromators
    • G01J3/26Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12Generating the spectrum; Monochromators
    • G01J2003/1269Electrooptic filter
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12Generating the spectrum; Monochromators
    • G01J2003/1291Generating the spectrum; Monochromators polarised, birefringent
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • G01J2003/2886Investigating periodic spectrum
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0227Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using notch filters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N2021/3129Determining multicomponents by multiwavelength light
    • G01N2021/3137Determining multicomponents by multiwavelength light with selection of wavelengths after the sample

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE19893901825 1989-01-23 1989-01-23 Optisches gasanalysegeraet mit elektro-optisch modulierbarem kammfilter Granted DE3901825A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893901825 DE3901825A1 (de) 1989-01-23 1989-01-23 Optisches gasanalysegeraet mit elektro-optisch modulierbarem kammfilter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893901825 DE3901825A1 (de) 1989-01-23 1989-01-23 Optisches gasanalysegeraet mit elektro-optisch modulierbarem kammfilter

Publications (2)

Publication Number Publication Date
DE3901825A1 true DE3901825A1 (de) 1990-08-02
DE3901825C2 DE3901825C2 (enExample) 1991-05-23

Family

ID=6372580

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893901825 Granted DE3901825A1 (de) 1989-01-23 1989-01-23 Optisches gasanalysegeraet mit elektro-optisch modulierbarem kammfilter

Country Status (1)

Country Link
DE (1) DE3901825A1 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4122925A1 (de) * 1991-07-11 1993-01-21 Fraunhofer Ges Forschung Optisches spektrometer
EP0600334A3 (de) * 1992-12-01 1994-11-17 Ulrich Walter Glaus Verfahren zur Bestimmung von Stoffen und/oder deren Eigenschaften und Gerät hierfür.
DE4338531A1 (de) * 1993-11-11 1995-05-18 Leica Lasertechnik Vorrichtung zur Mehrfarbbeleuchtung von Präparaten
RU2150104C1 (ru) * 1998-05-08 2000-05-27 Московское представительство Консорциума "Экохимия-экотоксиметрия" Устройство для корреляционно-оптического измерения концентрации газов
CN1324393C (zh) * 2002-10-18 2007-07-04 三星电子株式会社 非偏振的多λ光源
WO2024194797A1 (en) * 2023-03-20 2024-09-26 Specto S.R.L. Optical filter and spectroscopy system employing the filter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005050151B3 (de) * 2005-10-19 2006-11-02 MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. Verfahren und Vorrichtung zur Abtastung von sich periodisch wiederholenden Ereignissen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2100361A1 (de) * 1970-01-09 1971-08-12 Philips Nv Lichtmodulator
DE3612733A1 (de) * 1985-04-25 1986-10-30 Elf France, Courbevoie Interferometrischer gasspuerer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2100361A1 (de) * 1970-01-09 1971-08-12 Philips Nv Lichtmodulator
DE3612733A1 (de) * 1985-04-25 1986-10-30 Elf France, Courbevoie Interferometrischer gasspuerer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4122925A1 (de) * 1991-07-11 1993-01-21 Fraunhofer Ges Forschung Optisches spektrometer
EP0600334A3 (de) * 1992-12-01 1994-11-17 Ulrich Walter Glaus Verfahren zur Bestimmung von Stoffen und/oder deren Eigenschaften und Gerät hierfür.
US5737076A (en) * 1992-12-01 1998-04-07 Glaus; Ulrich Walter Method and apparatus for determining substances and/or the properties thereof
DE4338531A1 (de) * 1993-11-11 1995-05-18 Leica Lasertechnik Vorrichtung zur Mehrfarbbeleuchtung von Präparaten
RU2150104C1 (ru) * 1998-05-08 2000-05-27 Московское представительство Консорциума "Экохимия-экотоксиметрия" Устройство для корреляционно-оптического измерения концентрации газов
CN1324393C (zh) * 2002-10-18 2007-07-04 三星电子株式会社 非偏振的多λ光源
WO2024194797A1 (en) * 2023-03-20 2024-09-26 Specto S.R.L. Optical filter and spectroscopy system employing the filter

Also Published As

Publication number Publication date
DE3901825C2 (enExample) 1991-05-23

Similar Documents

Publication Publication Date Title
DE69628544T2 (de) Flüssigkristall-lichtverschluss
DE3877628T2 (de) Spannungsdetektor.
DE3924369A1 (de) Verfahren zur messung eines elektrischen feldes oder einer elektrischen spannung und einrichtung zur durchfuehrung des verfahrens
DE69014334T2 (de) Flüssigkristall-Anzeigevorrichtung.
DE3901825C2 (enExample)
DE3325414A1 (de) Fluessigkristall-vorrichtung
DE2122941C3 (de) Akustisch-optisches Filter
DE3812334A1 (de) Interferometrische einrichtung
DE2124548C3 (de) Verfahren und Vorrichtung zur spektralen Zerlegung eines elektrischen HF-Signals
DE2122940B2 (de) Verfahren und vorrichtung zum analysieren des optischen spektrums eines lichtstrahls
EP1358492A1 (de) Verfahren zur temperaturkompensierten elektro-optischen messung einer elektrischen spannung und vorrichtung zur durchführung des verfahrens
EP0450580A2 (de) Verfahren zur Bestimmung des Anstellwinkels von Flüssigkristall-Molekülen einer Flüssigkristallzelle
DE2234593C3 (de) Akusto-optisches Filter
DE2235715C3 (de) Akusto-optisches Filter
DE2163714C3 (de) Zeitauflösende Spektrometeranordnung
DE2160044C3 (de) Akustisch-optische Filtervorrichtung
DE19628310C2 (de) Optischer Gasanalysator
DE3302332C2 (enExample)
DE3885006T2 (de) Spannungsdetektor.
DE2900969A1 (de) Passive elektrooptische anzeigevorrichtung
DE3243320C2 (de) Taupunktspiegelhygrometer
DE1648748A1 (de) Verfahren und Geraet zum Pruefen von Sicherheitsglas
DE4434921A1 (de) Achromatisches Phasenverzögerungselement und Verfahren zu seiner Herstellung
EP1179735A1 (de) Verfahren zur Messung einer elektrischen Spannung und Spannungswandler
DE2228617A1 (de) Verfahren und vorrichtung zum steuern des aufloesungsvermoegens

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