FI91564B - Anturi - Google Patents

Anturi

Info

Publication number
FI91564B
FI91564B FI915153A FI915153A FI91564B FI 91564 B FI91564 B FI 91564B FI 915153 A FI915153 A FI 915153A FI 915153 A FI915153 A FI 915153A FI 91564 B FI91564 B FI 91564B
Authority
FI
Finland
Prior art keywords
sensor
Prior art date
Application number
FI915153A
Other languages
English (en)
Swedish (sv)
Other versions
FI915153A7 (fi
FI91564C (fi
FI915153A0 (fi
Inventor
Pentti Niemelae
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI915153A priority Critical patent/FI91564C/fi
Publication of FI915153A0 publication Critical patent/FI915153A0/fi
Priority to PCT/FI1992/000294 priority patent/WO1993009422A1/en
Publication of FI915153A7 publication Critical patent/FI915153A7/fi
Application granted granted Critical
Publication of FI91564B publication Critical patent/FI91564B/fi
Publication of FI91564C publication Critical patent/FI91564C/fi

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
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
    • 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
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/02—Mechanical
    • G01N2201/022—Casings
    • G01N2201/0221—Portable; cableless; compact; hand-held

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)
  • Spectrometry And Color Measurement (AREA)
FI915153A 1991-10-31 1991-10-31 Anturi FI91564C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI915153A FI91564C (fi) 1991-10-31 1991-10-31 Anturi
PCT/FI1992/000294 WO1993009422A1 (en) 1991-10-31 1992-10-30 Sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI915153 1991-10-31
FI915153A FI91564C (fi) 1991-10-31 1991-10-31 Anturi

Publications (4)

Publication Number Publication Date
FI915153A0 FI915153A0 (fi) 1991-10-31
FI915153A7 FI915153A7 (fi) 1993-05-01
FI91564B true FI91564B (fi) 1994-03-31
FI91564C FI91564C (fi) 1994-07-11

Family

ID=8533404

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915153A FI91564C (fi) 1991-10-31 1991-10-31 Anturi

Country Status (2)

Country Link
FI (1) FI91564C (fi)
WO (1) WO1993009422A1 (fi)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96450C (fi) * 1993-01-13 1996-06-25 Vaisala Oy Yksikanavainen kaasun pitoisuuden mittausmenetelmä ja -laitteisto
GB2286041B (en) * 1994-01-20 1998-04-08 Marconi Gec Ltd High resolution infrared spectroscope
US5825490A (en) * 1995-06-07 1998-10-20 Northrop Grumman Corporation Interferometer comprising translation assemblies for moving a first optical member relative to a second optical member
GB2314617B (en) * 1996-06-24 2000-08-23 Graviner Ltd Kidde High sensitivity gas detection
ES2155355B1 (es) * 1998-11-04 2001-12-01 Univ Madrid Carlos Iii Sistema para la medida al paso de las concentraciones de contaminantes en gases de todo tipo de vehiculos automoviles.
US6339493B1 (en) * 1999-12-23 2002-01-15 Michael Scalora Apparatus and method for controlling optics propagation based on a transparent metal stack
WO2005047647A1 (en) * 2003-11-10 2005-05-26 Baker Hughes Incorporated A method and apparatus for a downhole spectrometer based on electronically tunable optical filters
NO322368B1 (no) 2005-04-15 2006-09-25 Sinvent As Infrarod deteksjon av gass - diffraktiv.
CN102735273B (zh) * 2012-06-29 2014-11-05 中国科学院半导体研究所 基于法布里珀罗腔的光纤传感器
EP2770319B2 (de) * 2013-02-25 2022-01-26 Sick Ag Gasmessgerät
DE102015012429B4 (de) * 2015-09-25 2019-09-05 Drägerwerk AG & Co. KGaA Verfahren zur Signalerfassung in einem Gasanalysesystem
US10466174B2 (en) * 2016-12-13 2019-11-05 Infineon Technologies Ag Gas analyzer including a radiation source comprising a black-body radiator with at least one through-hole and a collimator
JP6862216B2 (ja) * 2017-02-28 2021-04-21 浜松ホトニクス株式会社 光検出装置
JP7388815B2 (ja) 2018-10-31 2023-11-29 浜松ホトニクス株式会社 分光ユニット及び分光モジュール
US11346773B2 (en) * 2020-04-22 2022-05-31 Kidde Technologies, Inc. Fabry-Perot spectrometer-based smoke detector
JP7114766B2 (ja) * 2021-02-19 2022-08-08 浜松ホトニクス株式会社 光検出装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3640340C2 (de) * 1985-11-26 1994-10-20 Sharp Kk Variable Interferometeranordnung
US4850709A (en) * 1986-03-04 1989-07-25 Canon Kabushiki Kaisha Fabri-perot spectroscopy method and apparatus utilizing the same
US4830451A (en) * 1986-03-05 1989-05-16 American Telephone And Telegraph Company Technique and apparatus for fabricating a fiber Fabry-Perot etalon
FR2639711B1 (fr) * 1988-11-25 1992-12-31 Elf Aquitaine Procede pour la detection simultanee de plusieurs gaz dans un melange gazeux, et appareillage pour la mise en oeuvre de ce procede
US4998017A (en) * 1989-05-01 1991-03-05 Ryan Fredrick M Method and arrangement for measuring the optical absorptions of gaseous mixtures
US5039201A (en) * 1990-04-30 1991-08-13 International Business Machines Corporation Double-pass tunable fabry-perot optical filter

Also Published As

Publication number Publication date
FI915153A7 (fi) 1993-05-01
WO1993009422A1 (en) 1993-05-13
FI91564C (fi) 1994-07-11
FI915153A0 (fi) 1991-10-31

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed