GB201303546D0 - Photoacoustic Chemical Detector - Google Patents

Photoacoustic Chemical Detector

Info

Publication number
GB201303546D0
GB201303546D0 GB201303546A GB201303546A GB201303546D0 GB 201303546 D0 GB201303546 D0 GB 201303546D0 GB 201303546 A GB201303546 A GB 201303546A GB 201303546 A GB201303546 A GB 201303546A GB 201303546 D0 GB201303546 D0 GB 201303546D0
Authority
GB
United Kingdom
Prior art keywords
photoacoustic
chemical detector
detector
chemical
photoacoustic chemical
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.)
Withdrawn
Application number
GB201303546A
Other versions
GB2511327A (en
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.)
SCYTRONIX Ltd
Original Assignee
SCYTRONIX Ltd
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 SCYTRONIX Ltd filed Critical SCYTRONIX Ltd
Priority to GB201303546A priority Critical patent/GB2511327A/en
Publication of GB201303546D0 publication Critical patent/GB201303546D0/en
Priority to PCT/GB2014/050548 priority patent/WO2014132046A2/en
Publication of GB2511327A publication Critical patent/GB2511327A/en
Withdrawn legal-status Critical Current

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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • 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
    • G01N2021/0378—Shapes
    • G01N2021/0382—Frustoconical, tapered cell
    • 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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB201303546A 2013-02-28 2013-02-28 Photoacoustic Chemical Detector Withdrawn GB2511327A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB201303546A GB2511327A (en) 2013-02-28 2013-02-28 Photoacoustic Chemical Detector
PCT/GB2014/050548 WO2014132046A2 (en) 2013-02-28 2014-02-24 Photoacoustic chemical detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201303546A GB2511327A (en) 2013-02-28 2013-02-28 Photoacoustic Chemical Detector

Publications (2)

Publication Number Publication Date
GB201303546D0 true GB201303546D0 (en) 2013-04-10
GB2511327A GB2511327A (en) 2014-09-03

Family

ID=48092240

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201303546A Withdrawn GB2511327A (en) 2013-02-28 2013-02-28 Photoacoustic Chemical Detector

Country Status (2)

Country Link
GB (1) GB2511327A (en)
WO (1) WO2014132046A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR102014020098A2 (en) * 2013-08-29 2015-11-24 Gen Electric method and system
FR3084746B1 (en) * 2018-08-03 2020-10-16 Mirsense PHOTOACOUSTIC GAS SENSOR USING AN ILLUMINATION WAVELENGTH MODULATION METHOD
FR3084745B1 (en) * 2018-08-03 2020-10-30 Mirsense PHOTOACOUSTIC GAS SENSOR WITH ROBUST ARCHITECTURE AND STABLE OPTICAL ALIGNMENT
EP3795980A1 (en) * 2019-09-19 2021-03-24 Nokia Technologies Oy Photoacoustic apparatus and methods
WO2022223384A1 (en) 2021-04-20 2022-10-27 Basf Se A method of detecting one or more markers in a petroleum fuel using a photoacoustic detector
CN114689517A (en) * 2022-05-05 2022-07-01 中国南方电网有限责任公司超高压输电公司检修试验中心 Horn-shaped photoacoustic cell for gas photoacoustic spectrum detection
CN115128011B (en) * 2022-08-31 2022-12-20 之江实验室 Photoacoustic spectroscopy solid/liquid detection device based on acoustic metamaterial impedance matching

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457162A (en) * 1982-09-17 1984-07-03 Institute Of Gas Technology Multi-frequency photo-acoustic detector
DK247786D0 (en) * 1986-05-27 1986-05-27 Brueel & Kjaer As PHOTOACUSTIC GAS ANALYZER
DK163537C (en) * 1990-03-05 1992-08-03 Fls Airloq As METHOD AND APPARATUS FOR TRANSMISSING AN ACOUSTIC SIGNAL IN A PHOTOACUSTIC CELL
DE4034375A1 (en) * 1990-10-29 1992-04-30 Diehl Gmbh & Co Acousto=optical gas measuring device - with pollutant enrichment cell preceding measuring chamber
GB2271181A (en) * 1992-09-30 1994-04-06 Marconi Gec Ltd Photoacoustic Gas Analyser.
US5917193A (en) * 1995-01-14 1999-06-29 Schroff; Gerhart Method and apparatus for detecting leaks in a container
US20020093658A1 (en) * 2000-11-30 2002-07-18 Tao Han Portable dual frequency photoacoustic spectrometer
JP2002328116A (en) * 2001-04-27 2002-11-15 Yamatake Corp Photoacoustic gas sensor
DE10308409A1 (en) * 2003-02-27 2004-09-09 Marcus Dr. Wolff Measurement of concentration or concentration ratios of gas components, for potential use in breath analysis of a patient's digestion/metabolism, uses a structured laser beam where sound waves are detected and evaluated
CN1950693B (en) * 2004-03-29 2010-05-05 伽泽拉有限公司 Method and system for detecting one or more gases or gas mixtures and/or for measuring the concentration of one or more gases or gas mixtures
US7304742B1 (en) * 2004-10-09 2007-12-04 United States Of America As Represented By The Secretary Of The Army Flow-through aerosol photoacoustic systems and methods
US20070229834A1 (en) * 2004-10-22 2007-10-04 Patel C Kumar N System and method for high sensitivity optical detection of gases
US7213444B2 (en) * 2005-05-16 2007-05-08 Carthago International Solutions, Inc. Optoacoustic gas sensor
EP1889124A4 (en) * 2005-05-26 2009-06-03 Araz Yacoubian Broadband imager
US7903704B2 (en) * 2006-06-23 2011-03-08 Pranalytica, Inc. Tunable quantum cascade lasers and photoacoustic detection of trace gases, TNT, TATP and precursors acetone and hydrogen peroxide
US7826509B2 (en) * 2006-12-15 2010-11-02 President And Fellows Of Harvard College Broadly tunable single-mode quantum cascade laser sources and sensors
EP1990629A1 (en) * 2007-05-07 2008-11-12 Core Enterprises Inc. Low-power fast infrared gas sensor, hand held gas leak detector, and gas monitor utilizing absorptive-photo-acoustic detection
JP5541662B2 (en) * 2008-09-12 2014-07-09 キヤノン株式会社 Subject information acquisition apparatus and control method thereof
SE533936C2 (en) * 2009-07-10 2011-03-08 Optac Hb Apparatus for measuring the concentration and properties of particles in a fluid and a method thereof
US8322191B2 (en) * 2010-06-30 2012-12-04 Honeywell International Inc. Enhanced cavity for a photoacoustic gas sensor
GB2492841A (en) * 2011-07-15 2013-01-16 Secr Defence Laser photoacoustic spectroscopy using a plurality of tuneable lasers

Also Published As

Publication number Publication date
GB2511327A (en) 2014-09-03
WO2014132046A2 (en) 2014-09-04
WO2014132046A3 (en) 2014-11-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)