GB2152689B - Optical fibre sensing apparatus - Google Patents

Optical fibre sensing apparatus

Info

Publication number
GB2152689B
GB2152689B GB08400601A GB8400601A GB2152689B GB 2152689 B GB2152689 B GB 2152689B GB 08400601 A GB08400601 A GB 08400601A GB 8400601 A GB8400601 A GB 8400601A GB 2152689 B GB2152689 B GB 2152689B
Authority
GB
United Kingdom
Prior art keywords
optical fibre
sensing apparatus
fibre sensing
optical
sensing
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
GB08400601A
Other versions
GB2152689A (en
Inventor
Michael Laurence Henning
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 GB08400601A priority Critical patent/GB2152689B/en
Priority to GB08514979A priority patent/GB2157842B/en
Publication of GB2152689A publication Critical patent/GB2152689A/en
Application granted granted Critical
Publication of GB2152689B publication Critical patent/GB2152689B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J2009/0226—Fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
GB08400601A 1984-01-11 1984-01-11 Optical fibre sensing apparatus Expired GB2152689B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08400601A GB2152689B (en) 1984-01-11 1984-01-11 Optical fibre sensing apparatus
GB08514979A GB2157842B (en) 1984-01-11 1985-06-13 Optical fibre sensing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08400601A GB2152689B (en) 1984-01-11 1984-01-11 Optical fibre sensing apparatus

Publications (2)

Publication Number Publication Date
GB2152689A GB2152689A (en) 1985-08-07
GB2152689B true GB2152689B (en) 1987-07-01

Family

ID=10554796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08400601A Expired GB2152689B (en) 1984-01-11 1984-01-11 Optical fibre sensing apparatus

Country Status (1)

Country Link
GB (1) GB2152689B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856092A (en) * 1984-11-24 1989-08-08 Plessey Overseas Limited Optical pulse generating arrangements
GB2174212B (en) * 1985-04-27 1989-05-24 Stc Plc Optical switch
GB2189880B (en) * 1986-04-30 1989-12-28 Plessey Co Plc Optical sensor system
GB2202046A (en) * 1987-03-11 1988-09-14 Plessey Co Plc Optical fibre sensor arrangement
GB2219902B (en) * 1988-06-14 1992-01-22 Plessey Co Plc Optical sensing systems
GB2248928A (en) * 1990-10-19 1992-04-22 Marconi Gec Ltd Optical fibre reflector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1538969A (en) * 1977-03-31 1979-01-24 Standard Telephones Cables Ltd Electro optic switch
US4152043A (en) * 1977-08-25 1979-05-01 Bell Telephone Laboratories, Incorporated Electrostatic optical switch with electrical connection to coated optical fiber
US4278327A (en) * 1979-11-26 1981-07-14 Sperry Corporation Liquid crystal matrices
DE3201128C2 (en) * 1981-01-17 1985-08-29 Omron Tateisi Electronics Co., Kyoto Optical switching device

Also Published As

Publication number Publication date
GB2152689A (en) 1985-08-07

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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: 19940111