NO901792D0 - Fremgangsmaate og apparat til maaling av optisk absorpsjon av gassblandinger. - Google Patents

Fremgangsmaate og apparat til maaling av optisk absorpsjon av gassblandinger.

Info

Publication number
NO901792D0
NO901792D0 NO901792A NO901792A NO901792D0 NO 901792 D0 NO901792 D0 NO 901792D0 NO 901792 A NO901792 A NO 901792A NO 901792 A NO901792 A NO 901792A NO 901792 D0 NO901792 D0 NO 901792D0
Authority
NO
Norway
Prior art keywords
gas
interest
light beam
absorption
light
Prior art date
Application number
NO901792A
Other languages
English (en)
Other versions
NO901792L (no
Inventor
Frederick Merk Ryan
Milton S Gottlieb
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of NO901792D0 publication Critical patent/NO901792D0/no
Publication of NO901792L publication Critical patent/NO901792L/no

Links

Classifications

    • 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
    • G01J3/28Investigating the spectrum
    • G01J2003/2886Investigating periodic spectrum
    • 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
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504Investigating 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
NO90901792A 1989-05-01 1990-04-24 Fremgangsmaate og apparat til maaling av optisk absorpsjon av gassblandinger. NO901792L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/345,863 US4998017A (en) 1989-05-01 1989-05-01 Method and arrangement for measuring the optical absorptions of gaseous mixtures

Publications (2)

Publication Number Publication Date
NO901792D0 true NO901792D0 (no) 1990-04-24
NO901792L NO901792L (no) 1990-11-02

Family

ID=23356821

Family Applications (1)

Application Number Title Priority Date Filing Date
NO90901792A NO901792L (no) 1989-05-01 1990-04-24 Fremgangsmaate og apparat til maaling av optisk absorpsjon av gassblandinger.

Country Status (7)

Country Link
US (2) US4998017A (no)
EP (1) EP0396319B1 (no)
JP (1) JPH0363548A (no)
AT (1) ATE135108T1 (no)
CA (1) CA2014874C (no)
DE (1) DE69025639T2 (no)
NO (1) NO901792L (no)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998017A (en) * 1989-05-01 1991-03-05 Ryan Fredrick M Method and arrangement for measuring the optical absorptions of gaseous mixtures
GB9115537D0 (en) * 1991-07-18 1991-09-04 Secr Defence An electro-optical detection system
FI91564C (fi) * 1991-10-31 1994-07-11 Valtion Teknillinen Anturi
FI96450C (fi) * 1993-01-13 1996-06-25 Vaisala Oy Yksikanavainen kaasun pitoisuuden mittausmenetelmä ja -laitteisto
CA2153591C (en) * 1993-02-23 2000-04-25 William J. Marinelli Method and apparatus for imaging
US5452121A (en) * 1993-11-12 1995-09-19 Northrop Grumman Corporation Variable spectral resolution agile filter
GB2286041B (en) * 1994-01-20 1998-04-08 Marconi Gec Ltd High resolution infrared spectroscope
WO1996029591A1 (en) * 1995-03-21 1996-09-26 Sci-Tec Instruments Inc. Optical correlation gas analyzer
US5561522A (en) * 1995-03-27 1996-10-01 Alliedsignal Inc. Integrated birefringent-biased pressure and temperature sensor system
FI103216B (fi) * 1995-07-07 1999-05-14 Vaisala Oyj Menetelmä NDIR-mittalaitteen lyhyen Fabry-Perot interferometrin ohjaam iseksi
US5764345A (en) * 1995-09-12 1998-06-09 Corning Incorporated Methods for detecting inhomogeneities, specifically, striae, infused silica glasses
GB2314617B (en) * 1996-06-24 2000-08-23 Graviner Ltd Kidde High sensitivity gas detection
US5815276A (en) * 1996-10-11 1998-09-29 Transgenomic Inc. Long-path absorbance-cell imaging system with decreased system element parameter change based sensitivity and method of use
ES2119712B1 (es) * 1996-12-17 1999-05-16 Consejo Superior Investigacion Procedimiento y dispositivo optico microfabricado para la deteccion de bandas de absorcion/emision en el infrarrojo.
FR2759167B1 (fr) * 1997-01-31 1999-04-02 Schlumberger Ind Sa Procede et dispositif de determination d'une concentration d'un volume de gaz
US6249343B1 (en) * 1999-10-29 2001-06-19 Agilent Technologies, Inc. Wavelength reference standard using multiple gases
WO2001040748A1 (en) * 1999-12-02 2001-06-07 Ecolotrol, Inc. A filter
AU2001238147A1 (en) * 2000-02-10 2001-08-20 The Regents Of The University Of California Method and apparatus for measuring birefringent particles
GB0005069D0 (en) * 2000-03-02 2000-04-26 Ecolotrol A controlled interference spectrometer
US20020026822A1 (en) * 2000-07-26 2002-03-07 Reading Andrew R. Vehicle gas emission sampling and analysis assembly
AT410033B (de) * 2001-06-06 2003-01-27 Eurolab Instr Gmbh Verfahren und messeinrichtung zur bestimmung zumindest eines lumineszenz-, floureszenz- oder absorptionsparameters einer probe
US6576905B2 (en) 2001-06-14 2003-06-10 Gas Research Institute Method and assembly for gas detection via a convergent birefringent filter
US7897406B2 (en) * 2002-12-20 2011-03-01 Fiso Technologies Inc. Method and sensor for detecting a chemical substance using an optically anisotropic material
US20040145741A1 (en) * 2003-01-24 2004-07-29 Honeywell International Inc. Comb etalon fluid analyzer
US7050215B1 (en) 2003-08-01 2006-05-23 Ball Aerospace & Technologies Corp. Method and apparatus for providing a gas correlation filter for remote sensing of atmospheric trace gases
US7030991B1 (en) 2003-08-01 2006-04-18 Ball Aerospace & Technologies Corp. Field condensing imaging system for remote sensing of atmospheric trace gases
US7446877B2 (en) * 2004-08-27 2008-11-04 Bwt Property Inc. All-fiber spectroscopic optical sensor
US7561274B2 (en) * 2005-10-20 2009-07-14 Duke University Optical spectroscopy utilizing planar spectral filters
US7570360B1 (en) 2007-02-01 2009-08-04 Bah Holdings, Llc Optical absorption spectrometer and method for measuring concentration of a substance
JP5224218B2 (ja) * 2007-07-23 2013-07-03 カール・ツァイス・エスエムティー・ゲーエムベーハー マイクロリソグラフィ投影露光装置の光学システム
US7675616B1 (en) 2007-09-19 2010-03-09 The United States Of America As Represented By The Secretary Of The Navy Combustion plume absorption gauge
US7796265B2 (en) 2008-04-24 2010-09-14 Bah Holdings Llc Optical absorption gas analyser
JP2010286291A (ja) * 2009-06-10 2010-12-24 Hioki Ee Corp 赤外線分光器および赤外線分光測定装置
DE102009037706A1 (de) * 2009-08-17 2011-02-24 Opsolution Nanophotonics Gmbh Verfahren und Vorrichtung zur Bestimmung der Konzentration von NO2 in Gasgemischen
US8692997B2 (en) 2010-08-25 2014-04-08 Bah Holdings Llc Optical gas and/or particulate sensors
US9030663B2 (en) * 2011-10-31 2015-05-12 Exelis Inc. Remote absorption spectroscopy by coded transmission
DE102012007030C5 (de) * 2012-04-05 2019-01-10 Drägerwerk AG & Co. KGaA Vorrichtung und Verfahren zur schnellen Aufnahme eines Absorptionsspektrums eines Fluids
EP2857811B1 (de) * 2013-10-02 2015-09-23 Sick Ag Spektrometer zur Gasanalyse
JP6058168B2 (ja) * 2014-01-31 2017-01-11 三菱電機株式会社 光伝送装置および光伝送方法
EP3407037B1 (en) 2014-05-27 2023-11-01 Ghgsat Inc. Fabry-perot interferometer based satellite detection of atmospheric trace gases
DE102014212564A1 (de) * 2014-07-29 2016-02-04 Robert Bosch Gmbh Messgerät zur Bestimmung von gasförmigen Bestandteilen der Luft
US9976901B2 (en) * 2014-08-14 2018-05-22 Bae Systems Information And Electronic Systems Integration Inc. Ultra-narrow band-pass via etalon external to a long-wavelength infrared sensor
EP3189565A1 (en) * 2014-09-05 2017-07-12 Pilot Photonics Limited Spectroscopic detection using a tunable frequency comb
DE102015106373B4 (de) * 2015-04-24 2023-03-02 Infineon Technologies Ag Photoakustisches gassensormodul mit lichtemittereinheit und einer detektoreinheit
US9829378B1 (en) 2016-10-13 2017-11-28 Bentley Instruments, Inc. Determining a size of cell of a transmission spectroscopy device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805196A (en) * 1971-12-20 1974-04-16 J Feichtner Acousto-optical systems
US3939348A (en) * 1974-06-11 1976-02-17 Allied Chemical Corporation Infrared gas analysis
US3915830A (en) * 1974-06-12 1975-10-28 Westinghouse Electric Corp Solid electrolyte electrochemical cell with self contained reference
FR2340540A2 (fr) * 1976-02-05 1977-09-02 Anvar Dispositif pour la spectrometrie interferentielle a modulation selective
US4096388A (en) * 1977-06-10 1978-06-20 Hewlett-Packard Company Measuring gaseous oxygen with U.V. absorption
US4505550A (en) * 1982-02-02 1985-03-19 Westinghouse Electric Corp. Infrared acousto-optic tunable filter
US4508964A (en) * 1982-09-29 1985-04-02 Rockwell International Corporation Electro-optically tuned rejection filter
US4610754A (en) * 1982-10-29 1986-09-09 Westinghouse Electric Corp. Method for growing crystals
US4602342A (en) * 1983-10-04 1986-07-22 Westinghouse Electric Corp. Acousto-optic tunable filter
FR2555748B1 (fr) * 1983-11-29 1986-04-11 Elf France Dispositif interferometrique pour la detection de gaz dans un melange gazeux
FR2555747B1 (fr) * 1983-11-29 1986-08-14 Elf France Detecteur interferometrique de gaz
FR2566532B1 (fr) * 1984-06-22 1986-09-12 Elf France Detecteur de gaz par interferometrie
US4653869A (en) * 1984-10-30 1987-03-31 Westinghouse Electric Corp. Acousto-optic dispersive light filter
FR2581190B1 (fr) * 1985-04-25 1987-06-19 Elf France Detecteur interferometrique de gaz
US4652756A (en) * 1985-05-20 1987-03-24 Westinghouse Electric Corp. Automated acousto-optic infra-red analyzer system for monitoring stack emissions
DE3812334A1 (de) * 1988-04-14 1989-10-26 Hartmann & Braun Ag Interferometrische einrichtung
US4998017A (en) * 1989-05-01 1991-03-05 Ryan Fredrick M Method and arrangement for measuring the optical absorptions of gaseous mixtures

Also Published As

Publication number Publication date
USRE35355E (en) 1996-10-22
NO901792L (no) 1990-11-02
EP0396319A1 (en) 1990-11-07
CA2014874A1 (en) 1990-11-01
US4998017A (en) 1991-03-05
CA2014874C (en) 1996-06-11
DE69025639D1 (de) 1996-04-11
DE69025639T2 (de) 1996-07-18
JPH0363548A (ja) 1991-03-19
EP0396319B1 (en) 1996-03-06
ATE135108T1 (de) 1996-03-15

Similar Documents

Publication Publication Date Title
NO901792D0 (no) Fremgangsmaate og apparat til maaling av optisk absorpsjon av gassblandinger.
EP0263931A3 (en) Method and device for measuring continuously the concentration of a gas component
NO901793D0 (no) Fremgangsmaate og apparat for fjernmaaling av gass.
CA2088100A1 (en) Methods and apparatus for isotopic analysis
FI851819L (fi) Ellipsometriskt foerfarande samt ellipsometrisk anordning foer undersoekning av de fysikaliska egenskaperna i prov eller ytskikten i prov.
DK0659055T3 (da) Fremgangsmåde og apparat til analyse af glukose i en biologisk matrix
SE8502946L (sv) Sett och anordning for bestemning av parametrar for gasformiga emnen
EP0214845A3 (en) Device and method for determining displacement
US4420687A (en) Non-dispersive infrared gas analyzer
GB8526355D0 (en) Determination of antibody content of blood
DE69728464D1 (de) Vorrichtung zum Messen des magneto-optischen Effektes
EP0176826A3 (en) Method and apparatus for dual-beam spectral transmission measurements
AU1274795A (en) Process and device for oil stability measurement
EP0393196A4 (en) Molecular weight distribution measurement method, spectro-detector and molecular weight distribution measurement apparatus of polymers
JPS5753642A (en) Magnetooptical effect measuring device
SE9503139L (sv) Anordning för mätning av CO2 -koncentrationen i en gas
GB1354977A (en) Method and apparatus for sample analysis by atomic spectroscopy
JPS55124069A (en) Measuring method of concentration of suspended matter in water and organic index
JPS55112549A (en) Laser raman remote analysis method and unit thereof
JPS57111423A (en) Measuring device for absorption intensity of infrared ray by atr method
CN1029158C (zh) 低折射率液体样品的光纤喇曼光谱方法
TW371716B (en) Apparatus for spectrometrically measuring isotopic gas
JPS5381287A (en) Photoluminescence measuring device
GB1328075A (en) Determination of fine dust concentrations
JPS57168144A (en) Colorimetric measuring method