GB2189880B - Optical sensor system - Google Patents

Optical sensor system

Info

Publication number
GB2189880B
GB2189880B GB8610535A GB8610535A GB2189880B GB 2189880 B GB2189880 B GB 2189880B GB 8610535 A GB8610535 A GB 8610535A GB 8610535 A GB8610535 A GB 8610535A GB 2189880 B GB2189880 B GB 2189880B
Authority
GB
United Kingdom
Prior art keywords
optical sensor
sensor system
optical
sensor
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
Application number
GB8610535A
Other versions
GB2189880A (en
GB8610535D0 (en
Inventor
Christopher Lamb
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 GB8610535A priority Critical patent/GB2189880B/en
Publication of GB8610535D0 publication Critical patent/GB8610535D0/en
Publication of GB2189880A publication Critical patent/GB2189880A/en
Application granted granted Critical
Publication of GB2189880B publication Critical patent/GB2189880B/en
Expired legal-status Critical Current

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
    • G01D5/35383—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 multiple sensor devices using multiplexing techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB8610535A 1986-04-30 1986-04-30 Optical sensor system Expired GB2189880B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8610535A GB2189880B (en) 1986-04-30 1986-04-30 Optical sensor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8610535A GB2189880B (en) 1986-04-30 1986-04-30 Optical sensor system

Publications (3)

Publication Number Publication Date
GB8610535D0 GB8610535D0 (en) 1986-10-01
GB2189880A GB2189880A (en) 1987-11-04
GB2189880B true GB2189880B (en) 1989-12-28

Family

ID=10597091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8610535A Expired GB2189880B (en) 1986-04-30 1986-04-30 Optical sensor system

Country Status (1)

Country Link
GB (1) GB2189880B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108332840A (en) * 2018-01-25 2018-07-27 北京航天控制仪器研究所 A method of test oneself heterodyne interference type fibre optic hydrophone hardware circuit and its stability test

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238112B (en) * 1986-11-11 1991-10-09 British Aerospace Measurement of distortion
GB8716776D0 (en) * 1987-07-16 1987-11-18 Plessey Co Plc Optical sensing systems
FR2626367B1 (en) * 1988-01-25 1990-05-11 Thomson Csf MULTI-POINT FIBER OPTIC TEMPERATURE SENSOR
GB2222247A (en) * 1988-08-23 1990-02-28 Plessey Co Plc Distributed fibre optic sensor system
DE3926457A1 (en) * 1989-08-10 1991-04-25 Buchholz Juergen Fibre=optic sensor for parameter measurement or transmission
FR2656095B1 (en) * 1989-12-19 1994-12-23 Thomson Csf OPTICAL FIBER SENSOR.
FR2710150B1 (en) * 1993-09-17 1995-11-17 Cortaillod Cables Sa Method for measuring Brillouin scattering in an optical fiber and device for implementing this method.
US6285806B1 (en) 1998-05-31 2001-09-04 The United States Of America As Represented By The Secretary Of The Navy Coherent reflectometric fiber Bragg grating sensor array
US9599504B2 (en) * 2013-07-30 2017-03-21 Raytheon Company Fiber optic vibration detection
GB2558922A (en) * 2017-01-20 2018-07-25 Focus Sensors Ltd Distributed acoustic sensing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126820A (en) * 1982-07-17 1984-03-28 Plessey Co Plc An optical sensing system
GB2147758A (en) * 1983-08-24 1985-05-15 Plessey Co Plc Optical detecting and/or measuring
GB2147759A (en) * 1983-08-24 1985-05-15 Plessey Co Plc Optical sensor
GB2152689A (en) * 1984-01-11 1985-08-07 Plessey Co Plc Optical fibre sensing apparatus
GB2165118A (en) * 1984-09-29 1986-04-03 Plessey Co Plc OTDR for sensing distortions in optical fibres
GB2166020A (en) * 1984-09-29 1986-04-23 Plessey Co Plc Otdr-uses multiple frequencies to detect distortions in an optical fibre

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126820A (en) * 1982-07-17 1984-03-28 Plessey Co Plc An optical sensing system
GB2147758A (en) * 1983-08-24 1985-05-15 Plessey Co Plc Optical detecting and/or measuring
GB2147759A (en) * 1983-08-24 1985-05-15 Plessey Co Plc Optical sensor
GB2152689A (en) * 1984-01-11 1985-08-07 Plessey Co Plc Optical fibre sensing apparatus
GB2165118A (en) * 1984-09-29 1986-04-03 Plessey Co Plc OTDR for sensing distortions in optical fibres
GB2166020A (en) * 1984-09-29 1986-04-23 Plessey Co Plc Otdr-uses multiple frequencies to detect distortions in an optical fibre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108332840A (en) * 2018-01-25 2018-07-27 北京航天控制仪器研究所 A method of test oneself heterodyne interference type fibre optic hydrophone hardware circuit and its stability test

Also Published As

Publication number Publication date
GB2189880A (en) 1987-11-04
GB8610535D0 (en) 1986-10-01

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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: 19930430