[go: up one dir, main page]

SE9504020L - Gassensor - Google Patents

Gassensor

Info

Publication number
SE9504020L
SE9504020L SE9504020A SE9504020A SE9504020L SE 9504020 L SE9504020 L SE 9504020L SE 9504020 A SE9504020 A SE 9504020A SE 9504020 A SE9504020 A SE 9504020A SE 9504020 L SE9504020 L SE 9504020L
Authority
SE
Sweden
Prior art keywords
light
cavity
pct
plane
rays
Prior art date
Application number
SE9504020A
Other languages
Unknown language ( )
English (en)
Other versions
SE510549C2 (sv
SE9504020D0 (sv
Inventor
Hans Goeran Evald Martin
Original Assignee
Hans Goeran Evald Martin
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 Hans Goeran Evald Martin filed Critical Hans Goeran Evald Martin
Priority to SE9504020A priority Critical patent/SE510549C2/sv
Publication of SE9504020D0 publication Critical patent/SE9504020D0/sv
Priority to AT96939402T priority patent/ATE427479T1/de
Priority to PCT/SE1996/001448 priority patent/WO1997018460A1/en
Priority to EP96939402A priority patent/EP0873505B1/en
Priority to US09/051,852 priority patent/US6016203A/en
Priority to AU76592/96A priority patent/AU7659296A/en
Priority to JP9518778A priority patent/JP2000500237A/ja
Priority to CA002236039A priority patent/CA2236039C/en
Priority to DE69637891T priority patent/DE69637891D1/de
Publication of SE9504020L publication Critical patent/SE9504020L/sv
Publication of SE510549C2 publication Critical patent/SE510549C2/sv
Priority to JP2007069862A priority patent/JP2007256281A/ja

Links

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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/031—Multipass arrangements
    • 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
    • G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
    • 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
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes
    • G01N2021/058—Flat flow cell

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Glass Compositions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
SE9504020A 1995-11-13 1995-11-13 Gassensor SE510549C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9504020A SE510549C2 (sv) 1995-11-13 1995-11-13 Gassensor
DE69637891T DE69637891D1 (de) 1995-11-13 1996-11-11 Gassensor
US09/051,852 US6016203A (en) 1995-11-13 1996-11-11 Gas sensor
PCT/SE1996/001448 WO1997018460A1 (en) 1995-11-13 1996-11-11 Gas sensor
EP96939402A EP0873505B1 (en) 1995-11-13 1996-11-11 Gas sensor
AT96939402T ATE427479T1 (de) 1995-11-13 1996-11-11 Gassensor
AU76592/96A AU7659296A (en) 1995-11-13 1996-11-11 Gas sensor
JP9518778A JP2000500237A (ja) 1995-11-13 1996-11-11 ガスセンサー
CA002236039A CA2236039C (en) 1995-11-13 1996-11-11 Gas sensor
JP2007069862A JP2007256281A (ja) 1995-11-13 2007-03-19 ガスセンサー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9504020A SE510549C2 (sv) 1995-11-13 1995-11-13 Gassensor

Publications (3)

Publication Number Publication Date
SE9504020D0 SE9504020D0 (sv) 1995-11-13
SE9504020L true SE9504020L (sv) 1997-05-14
SE510549C2 SE510549C2 (sv) 1999-05-31

Family

ID=20400189

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9504020A SE510549C2 (sv) 1995-11-13 1995-11-13 Gassensor

Country Status (9)

Country Link
US (1) US6016203A (sv)
EP (1) EP0873505B1 (sv)
JP (2) JP2000500237A (sv)
AT (1) ATE427479T1 (sv)
AU (1) AU7659296A (sv)
CA (1) CA2236039C (sv)
DE (1) DE69637891D1 (sv)
SE (1) SE510549C2 (sv)
WO (1) WO1997018460A1 (sv)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506942C2 (sv) 1996-08-28 1998-03-02 Hans Goeran Evald Martin Gassensor
SE522941C2 (sv) * 2000-04-26 2004-03-16 Senseair Ab Gascell
GB2372099B (en) * 2001-02-08 2003-11-05 Status Scient Controls Ltd Gas sensor
GB2389177B (en) * 2002-05-31 2006-03-15 Marconi Applied Techn Ltd Gas sensors
GB2395259A (en) * 2002-11-07 2004-05-19 E2V Tech Uk Ltd Gas sensor with predetermined optical paths between its different detectors
SE524663C2 (sv) * 2003-01-15 2004-09-14 Senseair Ab Gascell, ingående i gassensor för spektralanalys
US7244939B2 (en) * 2003-12-09 2007-07-17 Dynament Limited Gas sensor
DE102004027512A1 (de) * 2004-06-04 2005-12-22 Robert Bosch Gmbh Spektroskopischer Gassensor, insbesondere zum Nachweis mindestens einer Gaskomponente in der Umluft, und Verfahren zur Herstellung eines derartigen spektroskopischen Gassensors
US20090284745A1 (en) * 2004-10-18 2009-11-19 Seung-Hwan Yi Gas cell using two parabolic concave mirrors and method of producing gas sensor using the same
US7782462B2 (en) * 2006-11-27 2010-08-24 Applied Nanotech Holdings, Inc. Sono-photonic gas sensor
SE0802069A1 (sv) * 2008-09-30 2010-03-31 Senseair Ab Ett för en spektralanalys av höga gaskoncentrationer anpassat arrangemang
SE535267C2 (sv) 2009-10-26 2012-06-12 Senseair Ab En till en spektralanalys anpassad mätcell
GB201000756D0 (en) 2010-01-18 2010-03-03 Gas Sensing Solutions Ltd Gas sensor with radiation guide
GB201018417D0 (en) 2010-11-01 2010-12-15 Gas Sensing Solutions Ltd Apparatus and method for generating light pulses from LEDs in optical absorption gas sensors
US9322705B2 (en) 2012-08-28 2016-04-26 Seagate Technology Llc Sensing a selected ambient environment
ITMI20130478A1 (it) * 2013-03-29 2014-09-30 N E T Srl Rilevatore ottico di gas a geometria variabile
US9759652B2 (en) * 2015-02-28 2017-09-12 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Quantum dot light emitting diodes for multiplex gas sensing
US10161859B2 (en) 2016-10-27 2018-12-25 Honeywell International Inc. Planar reflective ring
KR102450625B1 (ko) * 2017-08-31 2022-10-07 서울바이오시스 주식회사 검출기
CN113406001B (zh) * 2021-06-30 2022-07-01 广东感芯激光科技有限公司 一种光电气体传感器探头及光电气体检测装置
SE2251481A1 (en) * 2022-12-16 2024-06-17 Senseair Ab Multipass spectroscopic absorption cell and gas sensor comprising such
GB2628672A (en) * 2023-03-31 2024-10-02 Servomex Group Ltd Method, apparatus and system for compact optical gas absorption measurements
US20240344977A1 (en) * 2023-03-31 2024-10-17 Servomex Group Limited Method, apparatus and system for compact optical gas absorption measurements

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1236926A (en) * 1967-09-29 1971-06-23 Perkin Elmer Ltd Gas analysis cells
US4756622A (en) * 1986-05-15 1988-07-12 Hibshman Corporation Compact apparatus for measuring absorption by a gas
US5060508A (en) * 1990-04-02 1991-10-29 Gaztech Corporation Gas sample chamber
US5340986A (en) * 1991-11-18 1994-08-23 Gaztech International Corporation Diffusion-type gas sample chamber
GB9320756D0 (en) * 1993-10-08 1993-12-01 Geotechnical Instr Uk Ltd Gas analyser
US5440143A (en) * 1994-02-25 1995-08-08 On-Line Technologies, Inc. Folded-path optical analysis gas cell
DE4434814A1 (de) * 1994-09-29 1996-04-04 Microparts Gmbh Infrarotspektrometrischer Sensor für Gase

Also Published As

Publication number Publication date
AU7659296A (en) 1997-06-05
EP0873505A1 (en) 1998-10-28
WO1997018460A1 (en) 1997-05-22
JP2000500237A (ja) 2000-01-11
CA2236039A1 (en) 1997-05-22
SE510549C2 (sv) 1999-05-31
DE69637891D1 (de) 2009-05-14
CA2236039C (en) 2003-04-01
ATE427479T1 (de) 2009-04-15
US6016203A (en) 2000-01-18
EP0873505B1 (en) 2009-04-01
JP2007256281A (ja) 2007-10-04
SE9504020D0 (sv) 1995-11-13

Similar Documents

Publication Publication Date Title
DE69637891D1 (de) Gassensor
SE9603109D0 (sv) Gassensor
IT1149735B (it) Scansore luminoso a faccia singola,immune da rotazione fuori piano
ATE344469T1 (de) Laserablenkungssystem mit reflexionsoptik
EP0730169A3 (en) Reflecting type optical system
US5066990A (en) Reflector system for michelson interferometers
CA2200441A1 (en) Hollow light guide for diffuse light
ES2102309A1 (es) Optica compleja ultracompacta.
EP0750174A3 (de) Referenzinterferometer mit variabler Wellenlänge
ATE352034T1 (de) Gaszelle
NO993622D0 (no) Optikksystem med et vindu med en koniskoidal indre overflate, samt testing av det optiske systemet
ATE392637T1 (de) Einrichtung für ein optisches system
GB9104911D0 (en) Reflection type of acoustic microscope with acoustic lens having concave transducer
ATE285082T1 (de) Scanner
DE69612130D1 (de) Optische Strahlabtastvorrichtung
SE8204047L (sv) Optisk anordning for elektrooptisk avstandsmetare
ES2073576T3 (es) Telescopio de espejos.
SE503429C2 (sv) Retroreflektor
TR199800638T1 (xx) Polietilen-plakas�ndan bir amorf form g�vdesi.
SU1619014A1 (ru) Интерферометр
JPS54133180A (en) Reflectance measuring apparatus
RU92010572A (ru) Светоотражатель
SE8804465D0 (sv) Periskopisk konstruktion
GB2213955A (en) Reflectors providing constant angle between input and output beams
JPH0361559U (sv)