GB2215038B - Improvements relating to optical sensing arrangements - Google Patents

Improvements relating to optical sensing arrangements

Info

Publication number
GB2215038B
GB2215038B GB8802675A GB8802675A GB2215038B GB 2215038 B GB2215038 B GB 2215038B GB 8802675 A GB8802675 A GB 8802675A GB 8802675 A GB8802675 A GB 8802675A GB 2215038 B GB2215038 B GB 2215038B
Authority
GB
United Kingdom
Prior art keywords
optical sensing
improvements relating
sensing arrangements
arrangements
relating
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.)
Expired - Fee Related
Application number
GB8802675A
Other versions
GB2215038A (en
GB8802675D0 (en
Inventor
Christopher Anthony Wade
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.)
Siemens Plessey Controls Ltd
Plessey Co Ltd
Original Assignee
Siemens Plessey Controls Ltd
Plessey Co 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 Siemens Plessey Controls Ltd, Plessey Co Ltd filed Critical Siemens Plessey Controls Ltd
Priority to GB8802675A priority Critical patent/GB2215038B/en
Publication of GB8802675D0 publication Critical patent/GB8802675D0/en
Publication of GB2215038A publication Critical patent/GB2215038A/en
Application granted granted Critical
Publication of GB2215038B publication Critical patent/GB2215038B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • G01N2021/1793—Remote sensing
    • 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
    • G01N2021/3129—Determining multicomponents by multiwavelength light
    • 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
    • G01N2201/04—Batch operation; multisample devices
    • G01N2201/0407—Batch operation; multisample devices with multiple optical units, e.g. one per sample
    • 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
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/084—Fibres for remote transmission

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)
GB8802675A 1988-02-05 1988-02-05 Improvements relating to optical sensing arrangements Expired - Fee Related GB2215038B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8802675A GB2215038B (en) 1988-02-05 1988-02-05 Improvements relating to optical sensing arrangements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8802675A GB2215038B (en) 1988-02-05 1988-02-05 Improvements relating to optical sensing arrangements

Publications (3)

Publication Number Publication Date
GB8802675D0 GB8802675D0 (en) 1988-03-02
GB2215038A GB2215038A (en) 1989-09-13
GB2215038B true GB2215038B (en) 1992-01-08

Family

ID=10631179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8802675A Expired - Fee Related GB2215038B (en) 1988-02-05 1988-02-05 Improvements relating to optical sensing arrangements

Country Status (1)

Country Link
GB (1) GB2215038B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215039B (en) * 1988-02-10 1992-02-05 Plessey Co Plc Improvements relating to optical sensing arrangements
US4972077A (en) * 1988-08-08 1990-11-20 Schlumberger Industries Limited Wavelength multiplexed optical transducer with a swept wavelength optical source
GB2230598A (en) * 1989-03-16 1990-10-24 Coal Ind Improvements relating to optical gas sensors
DE3942375A1 (en) * 1989-12-21 1991-06-27 Guenter Knapp DEVICE FOR SIMULTANEOUS DETECTION OF SEVERAL WAVELENGTH RANGES
US5510269A (en) * 1992-11-20 1996-04-23 Sensors, Inc. Infrared method and apparatus for measuring gas concentration including electronic calibration
US5666195A (en) * 1995-05-01 1997-09-09 Electro-Optical Sciences, Inc. Efficient fiber coupling of light to interferometric instrumentation
ES2109166B1 (en) * 1995-05-25 1998-07-16 Univ Madrid Carlos Iii METHOD OF DETECTION OF GASES BY INFRARED ABSORPTION USING FABRY-PEROT SOLID STATE FILTERS
ES2119712B1 (en) * 1996-12-17 1999-05-16 Consejo Superior Investigacion MICROFABRICATED OPTICAL DEVICE AND PROCEDURE FOR THE DETECTION OF ABSORPTION / EMISSION BANDS IN THE INFRARED.
FR2926635B1 (en) * 2008-01-21 2012-08-03 Silios Technologies WAVELENGTH SPECTROSCOPY DEVICE WITH INTEGRATED FILTERS
FR2939887B1 (en) * 2008-12-11 2017-12-08 Silios Tech OPTICAL SPECTROSCOPY DEVICE HAVING A PLURALITY OF TRANSMISSION SOURCES
WO2014143045A1 (en) * 2013-03-15 2014-09-18 Draeger Safety Inc. Gas sensing with tunable photonic radiation filter element

Also Published As

Publication number Publication date
GB2215038A (en) 1989-09-13
GB8802675D0 (en) 1988-03-02

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930205