DE3877270D1 - Optische fuehleranordnungen. - Google Patents

Optische fuehleranordnungen.

Info

Publication number
DE3877270D1
DE3877270D1 DE8888305803T DE3877270T DE3877270D1 DE 3877270 D1 DE3877270 D1 DE 3877270D1 DE 8888305803 T DE8888305803 T DE 8888305803T DE 3877270 T DE3877270 T DE 3877270T DE 3877270 D1 DE3877270 D1 DE 3877270D1
Authority
DE
Germany
Prior art keywords
optical sensor
sensor arrangements
arrangements
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 - Fee Related
Application number
DE8888305803T
Other languages
English (en)
Other versions
DE3877270T2 (de
Inventor
Michael Laurence Henning
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Application granted granted Critical
Publication of DE3877270D1 publication Critical patent/DE3877270D1/de
Publication of DE3877270T2 publication Critical patent/DE3877270T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE8888305803T 1987-07-16 1988-06-23 Optische fuehleranordnungen. Expired - Fee Related DE3877270T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878716776A GB8716776D0 (en) 1987-07-16 1987-07-16 Optical sensing systems

Publications (2)

Publication Number Publication Date
DE3877270D1 true DE3877270D1 (de) 1993-02-18
DE3877270T2 DE3877270T2 (de) 1993-05-06

Family

ID=10620759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888305803T Expired - Fee Related DE3877270T2 (de) 1987-07-16 1988-06-23 Optische fuehleranordnungen.

Country Status (5)

Country Link
US (1) US4956549A (de)
EP (1) EP0299638B1 (de)
DE (1) DE3877270T2 (de)
GB (1) GB8716776D0 (de)
NO (1) NO883158L (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248684A (en) * 1990-10-12 1992-04-15 Marconi Gec Ltd Optical sensing systems
US5643801A (en) * 1992-11-06 1997-07-01 Semiconductor Energy Laboratory Co., Ltd. Laser processing method and alignment
JP3778456B2 (ja) 1995-02-21 2006-05-24 株式会社半導体エネルギー研究所 絶縁ゲイト型薄膜半導体装置の作製方法
US6522797B1 (en) * 1998-09-01 2003-02-18 Input/Output, Inc. Seismic optical acoustic recursive sensor system
GB9908075D0 (en) 1999-04-09 1999-06-02 Secr Defence An optical fibre sensor assembly
GB2436872A (en) * 2006-04-06 2007-10-10 Qinetiq Ltd Fibre-optic sensor package
US10871592B2 (en) 2015-11-30 2020-12-22 Halliburton Energy Services Inc. Optical frequency comb source for fiber sensor interferometer arrays

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3433958A (en) * 1965-08-27 1969-03-18 Bell Telephone Labor Inc Optical channel separation by deflection
US3633995A (en) * 1970-02-17 1972-01-11 Ibm Acousto-optic light deflection system
US4358851A (en) * 1980-02-28 1982-11-09 Xerox Corporation Fiber optic laser device and light emitter utilizing the device
US4616898A (en) * 1980-03-31 1986-10-14 Polaroid Corporation Optical communication systems using raman repeaters and components therefor
GB2126820B (en) * 1982-07-17 1986-03-26 Plessey Co Plc An optical sensing system
US4603421A (en) * 1982-11-24 1986-07-29 Xerox Corporation Incoherent composite multi-emitter laser for an optical arrangement
US4635246A (en) * 1983-10-20 1987-01-06 The United States Of America As Represented By The Secretary Of The Navy Frequency multiplex system using injection locking of multiple laser diodes
US4632551A (en) * 1984-06-11 1986-12-30 Litton Systems, Inc. Passive sampling interferometric sensor arrays
GB2167574B (en) * 1984-11-02 1988-02-24 Plessey Co Plc Transducers for optical frequency shifting arrangements
US4856092A (en) * 1984-11-24 1989-08-08 Plessey Overseas Limited Optical pulse generating arrangements
GB2189880B (en) * 1986-04-30 1989-12-28 Plessey Co Plc Optical sensor system

Also Published As

Publication number Publication date
EP0299638B1 (de) 1993-01-07
EP0299638A3 (en) 1989-09-20
DE3877270T2 (de) 1993-05-06
NO883158L (no) 1989-01-17
GB8716776D0 (en) 1987-11-18
US4956549A (en) 1990-09-11
EP0299638A2 (de) 1989-01-18
NO883158D0 (no) 1988-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee