GB8520041D0 - Optical sensors - Google Patents

Optical sensors

Info

Publication number
GB8520041D0
GB8520041D0 GB858520041A GB8520041A GB8520041D0 GB 8520041 D0 GB8520041 D0 GB 8520041D0 GB 858520041 A GB858520041 A GB 858520041A GB 8520041 A GB8520041 A GB 8520041A GB 8520041 D0 GB8520041 D0 GB 8520041D0
Authority
GB
United Kingdom
Prior art keywords
optical sensors
sensors
optical
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Withdrawn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
GB858520041A
Other versions
GB2181536A (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.)
Plessey Co Ltd
Original Assignee
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB08520041A priority Critical patent/GB2181536A/en
Publication of GB8520041D0 publication Critical patent/GB8520041D0/en
Publication of GB2181536A publication Critical patent/GB2181536A/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Withdrawn legal-status Critical Current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
    • G01N21/25—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
    • 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

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)
GB08520041A 1985-08-09 1985-08-09 Wavelength scanning optical sensor Withdrawn GB2181536A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08520041A GB2181536A (en) 1985-08-09 1985-08-09 Wavelength scanning optical sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08520041A GB2181536A (en) 1985-08-09 1985-08-09 Wavelength scanning optical sensor

Publications (2)

Publication Number Publication Date
GB8520041D0 true GB8520041D0 (en) 1985-09-18
GB2181536A GB2181536A (en) 1987-04-23

Family

ID=10583556

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08520041A Withdrawn GB2181536A (en) 1985-08-09 1985-08-09 Wavelength scanning optical sensor

Country Status (1)

Country Link
GB (1) GB2181536A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105548337A (en) * 2016-03-15 2016-05-04 安徽理工大学 Method for detection of gas in underwall borehole in coal mine tunnel

Families Citing this family (10)

* 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
FR2639711B1 (en) * 1988-11-25 1992-12-31 Elf Aquitaine METHOD FOR THE SIMULTANEOUS DETECTION OF SEVERAL GASES IN A GAS MIXTURE, AND APPARATUS FOR CARRYING OUT SAID METHOD
GB9015800D0 (en) * 1990-07-18 1990-09-05 Secretary Trade Ind Brit Optical long-path monitoring apparatus
CH684807A5 (en) * 1991-03-04 1994-12-30 Tsing Dr Dschen Spectrophotometer.
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.
GB9917423D0 (en) * 1999-07-23 1999-09-22 Shimadzu Res Lab Europe Ltd Apparatus and methods for analysing electromagnetic radition
DE10255022A1 (en) * 2002-11-25 2004-06-17 Fiedler, Sven E. Resonator-enhanced absorption spectrometer
US8648731B2 (en) 2010-06-09 2014-02-11 Empire Technology Development Llc Gas concentration monitor
DE102016207995A1 (en) * 2016-05-10 2017-11-16 Robert Bosch Gmbh An optical resonator for a sensor device for detecting a fluid, a sensor device for detecting a fluid, and a method for detecting a fluid

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB859867A (en) * 1958-03-26 1961-01-25 Egyesuelt Izzolampa Apparatus for measuring the quantum yield of luminescent powders
FR1339146A (en) * 1961-11-09 1963-10-04 Hitachi Ltd Apparatus for spectrochemical analysis of atomic absorption
DE1547210A1 (en) * 1965-05-28 1970-01-15 Ceskoslovenska Akademie Ved Photometer with interference filter
US3853404A (en) * 1972-08-14 1974-12-10 Allied Chem Simultaneous interferometric transmission of periodic spectral components
GB1421950A (en) * 1973-07-20 1976-01-21 Carves Simon Ltd Discharge from hoppers
US3914055A (en) * 1974-05-23 1975-10-21 Lansing Research Corp Instrument for high resolution spectral analysis with large optical throughput
CH610401A5 (en) * 1976-09-14 1979-04-12 Balzers Hochvakuum
GB1560943A (en) * 1976-10-27 1980-02-13 Kodak Ltd Device for determining colorimetric data from a sample
GB2148492B (en) * 1983-10-22 1986-10-22 Stc Plc Gas detector
US4549081A (en) * 1984-03-15 1985-10-22 Ace Sophisticates, Inc. Spectrophotometer for measuring absorption characteristics of a complex lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105548337A (en) * 2016-03-15 2016-05-04 安徽理工大学 Method for detection of gas in underwall borehole in coal mine tunnel

Also Published As

Publication number Publication date
GB2181536A (en) 1987-04-23

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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)