GB2495518B - Optical sensor for sensing temperature of an adjacent gas - Google Patents

Optical sensor for sensing temperature of an adjacent gas

Info

Publication number
GB2495518B
GB2495518B GB1117611.2A GB201117611A GB2495518B GB 2495518 B GB2495518 B GB 2495518B GB 201117611 A GB201117611 A GB 201117611A GB 2495518 B GB2495518 B GB 2495518B
Authority
GB
United Kingdom
Prior art keywords
optical sensor
sensing temperature
adjacent gas
gas
adjacent
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.)
Active
Application number
GB1117611.2A
Other versions
GB201117611D0 (en
GB2495518A (en
Inventor
Peter Roscoe Harpin Arnold
James Fasham Stephen
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.)
Oxsensis Ltd
Original Assignee
Oxsensis 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 Oxsensis Ltd filed Critical Oxsensis Ltd
Priority to GB1117611.2A priority Critical patent/GB2495518B/en
Publication of GB201117611D0 publication Critical patent/GB201117611D0/en
Priority to PCT/GB2012/000780 priority patent/WO2013054077A2/en
Publication of GB2495518A publication Critical patent/GB2495518A/en
Application granted granted Critical
Publication of GB2495518B publication Critical patent/GB2495518B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
    • G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/266—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light by interferometric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
    • G01K1/18—Special arrangements for conducting heat from the object to the sensitive element for reducing thermal inertia
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • G01K11/3206—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/30—Optical coupling means for use between fibre and thin-film device
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating
    • G02B6/02204—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using thermal effects, e.g. heating or cooling of a temperature sensitive mounting body
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29358—Multiple beam interferometer external to a light guide, e.g. Fabry-Pérot, etalon, VIPA plate, OTDL plate, continuous interferometer, parallel plate resonator
    • G02B6/29359—Cavity formed by light guide ends, e.g. fibre Fabry Pérot [FFP]
GB1117611.2A 2011-10-12 2011-10-12 Optical sensor for sensing temperature of an adjacent gas Active GB2495518B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1117611.2A GB2495518B (en) 2011-10-12 2011-10-12 Optical sensor for sensing temperature of an adjacent gas
PCT/GB2012/000780 WO2013054077A2 (en) 2011-10-12 2012-10-10 Optical sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1117611.2A GB2495518B (en) 2011-10-12 2011-10-12 Optical sensor for sensing temperature of an adjacent gas

Publications (3)

Publication Number Publication Date
GB201117611D0 GB201117611D0 (en) 2011-11-23
GB2495518A GB2495518A (en) 2013-04-17
GB2495518B true GB2495518B (en) 2016-08-31

Family

ID=45091923

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1117611.2A Active GB2495518B (en) 2011-10-12 2011-10-12 Optical sensor for sensing temperature of an adjacent gas

Country Status (2)

Country Link
GB (1) GB2495518B (en)
WO (1) WO2013054077A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160161326A1 (en) * 2013-12-01 2016-06-09 Mao-Jen Wu Flexible Optical Sensor Module
GB2615737A (en) 2021-12-23 2023-08-23 Oxsensis Ltd Optical sensor
CN114509106B (en) * 2021-12-31 2023-10-17 中路交科科技股份有限公司 Steel bridge deck system service state detection method and system based on multisource service parameter sensing and fusion

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04216509A (en) * 1990-12-17 1992-08-06 Fujitsu Ltd Connection method for waveguide type optical device and optical fiber
GB2319335A (en) * 1996-11-15 1998-05-20 Bookham Technology Ltd Integrated interferometer
EP0977061A2 (en) * 1998-07-28 2000-02-02 Japan Aviation Electronics Industry, Limited Optical waveguide device and method of producing the same
WO2002054125A1 (en) * 2001-01-06 2002-07-11 Corning Incorporpated Alignment of optical fibre components
GB2374156A (en) * 2001-04-02 2002-10-09 Kamelian Ltd Aligning array of optical fibres with waveguides of optical device
JP2003156396A (en) * 2001-11-13 2003-05-30 Yuan Tze Univ On-insulating layer crystalline silicon optical waveguide michelson interferometer type temperature sensor
US20090041405A1 (en) * 2007-08-09 2009-02-12 Xiaoli Dai Ridge waveguide optical sensor incorporating a Bragg grating
CN101832792A (en) * 2010-05-14 2010-09-15 无锡光芯科技有限公司 Optical waveguide sensor and preparation methods thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6836578B2 (en) * 2003-04-14 2004-12-28 Lake Shore Cryotronics, Inc. System and method for measuring physical stimuli using vertical cavity surface emitting lasers with integrated tuning means
CN101573599B (en) * 2006-12-28 2012-01-04 住友电气工业株式会社 Fluid physical quantity measuring method and control method
GB0724411D0 (en) 2007-12-14 2008-01-30 Stfc Science & Technology Optical sensor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04216509A (en) * 1990-12-17 1992-08-06 Fujitsu Ltd Connection method for waveguide type optical device and optical fiber
GB2319335A (en) * 1996-11-15 1998-05-20 Bookham Technology Ltd Integrated interferometer
EP0977061A2 (en) * 1998-07-28 2000-02-02 Japan Aviation Electronics Industry, Limited Optical waveguide device and method of producing the same
WO2002054125A1 (en) * 2001-01-06 2002-07-11 Corning Incorporpated Alignment of optical fibre components
GB2374156A (en) * 2001-04-02 2002-10-09 Kamelian Ltd Aligning array of optical fibres with waveguides of optical device
JP2003156396A (en) * 2001-11-13 2003-05-30 Yuan Tze Univ On-insulating layer crystalline silicon optical waveguide michelson interferometer type temperature sensor
US20090041405A1 (en) * 2007-08-09 2009-02-12 Xiaoli Dai Ridge waveguide optical sensor incorporating a Bragg grating
CN101832792A (en) * 2010-05-14 2010-09-15 无锡光芯科技有限公司 Optical waveguide sensor and preparation methods thereof

Also Published As

Publication number Publication date
WO2013054077A3 (en) 2016-08-11
GB201117611D0 (en) 2011-11-23
GB2495518A (en) 2013-04-17
WO2013054077A2 (en) 2013-04-18

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