DK169220B1 - Apparat og fremgangsmåde til at detektere en dynamisk parameter ved hjælp af fiberoptik. - Google Patents

Apparat og fremgangsmåde til at detektere en dynamisk parameter ved hjælp af fiberoptik. Download PDF

Info

Publication number: DK169220B1
Authority: DK; Denmark
Prior art keywords: optical; reflector; optical energy; modulator; reflected
Prior art date: 1987-09-03

Application number

DK489188A

Other languages

Danish (da)

English (en)

Other versions

DK489188D0 (da

DK489188A (da

Inventor

Thomas J Poorman

Original Assignee

Western Atlas Int Inc

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.)

1987-09-03

Filing date

1988-09-02

Publication date

1994-09-12

1988-09-02 Application filed by Western Atlas Int Inc filed Critical Western Atlas Int Inc

1988-09-02 Publication of DK489188D0 publication Critical patent/DK489188D0/da

1989-03-04 Publication of DK489188A publication Critical patent/DK489188A/da

1994-09-12 Application granted granted Critical

1994-09-12 Publication of DK169220B1 publication Critical patent/DK169220B1/da

Links

239000000835 fiber Substances 0.000 title claims description 17
238000000034 method Methods 0.000 title claims description 9
230000003287 optical effect Effects 0.000 claims description 98
230000005540 biological transmission Effects 0.000 claims description 20
230000008878 coupling Effects 0.000 claims 2
238000010168 coupling process Methods 0.000 claims 2
238000005859 coupling reaction Methods 0.000 claims 2
239000003990 capacitor Substances 0.000 description 7
238000005259 measurement Methods 0.000 description 5
230000001427 coherent effect Effects 0.000 description 4
230000009977 dual effect Effects 0.000 description 4
238000001514 detection method Methods 0.000 description 3
238000010586 diagram Methods 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000013307 optical fiber Substances 0.000 description 3
238000005070 sampling Methods 0.000 description 3
238000000926 separation method Methods 0.000 description 3
238000005452 bending Methods 0.000 description 2
230000001419 dependent effect Effects 0.000 description 2
230000010363 phase shift Effects 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 1
230000004913 activation Effects 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000037361 pathway Effects 0.000 description 1
230000001902 propagating effect Effects 0.000 description 1
239000000523 sample Substances 0.000 description 1
238000002834 transmittance Methods 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1

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)
Optical Radar Systems And Details Thereof (AREA)
Length Measuring Devices By Optical Means (AREA)
Cable Accessories (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)

DK489188A 1987-09-03 1988-09-02 Apparat og fremgangsmåde til at detektere en dynamisk parameter ved hjælp af fiberoptik. DK169220B1 (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US9330187		1987-09-03
US07/093,301 US4800266A (en)	1987-09-03	1987-09-03	Fiber optic sensor with light sampling for referencing

Publications (3)

Publication Number	Publication Date
DK489188D0 DK489188D0 (da)	1988-09-02
DK489188A DK489188A (da)	1989-03-04
DK169220B1 true DK169220B1 (da)	1994-09-12

Family

ID=22238200

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK489188A DK169220B1 (da)	1987-09-03	1988-09-02	Apparat og fremgangsmåde til at detektere en dynamisk parameter ved hjælp af fiberoptik.

Country Status (6)

Country	Link
US (1)	US4800266A (de)
EP (1)	EP0306227B1 (de)
CA (1)	CA1309488C (de)
DK (1)	DK169220B1 (de)
IE (1)	IE62988B1 (de)
NO (1)	NO177117C (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4902888A (en) *	1987-12-15	1990-02-20	Brother Kogyo Kabushiki Kaisha	Optical fiber sensor
FR2640392B1 (fr) *	1988-12-14	1993-10-01	Koito Manufacturing Co Ltd	Systeme et appareil commutateurs optiques
US5004911A (en) *	1989-06-20	1991-04-02	Honeywell Inc.	Time multiplexed fiber optic sensor
US5059783A (en) *	1990-06-04	1991-10-22	Honeywell Inc.	Interferometric fiber optic proximity switch
FR2693069B1 (fr) *	1992-06-26	1997-04-25	Thomson Csf	Hydrophone a fibre optique et antenne comprenant de tels hydrophones.
JPH06136678A (ja) *	1992-10-29	1994-05-17	Toshiba Corp	連続蒸解釜温度分布制御装置
US5401958A (en) *	1993-09-08	1995-03-28	General Electric Company	Optical temperature compensation of spectral modulation sensors by spectrographic interrogation having a dispersive element
US6522797B1 (en)	1998-09-01	2003-02-18	Input/Output, Inc.	Seismic optical acoustic recursive sensor system
RU2267085C1 (ru) *	2004-03-25	2005-12-27	Тольяттинский государственный университет	Волоконно-оптический датчик
US7239385B2 (en) *	2004-11-30	2007-07-03	Hutchinson Technology Incorporated	Method and apparatus for monitoring output signal instability in a light source
US9244002B1 (en)	2014-08-01	2016-01-26	Institut National D'optique	Optical method and system for measuring an environmental parameter
US9372150B2 (en)	2014-08-01	2016-06-21	Institut National D'optique	Optical method and system for measuring an environmental parameter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3409369A (en) *	1964-04-30	1968-11-05	Honeywell Inc	Laser radar
US3584220A (en) *	1966-04-09	1971-06-08	Hitachi Ltd	Optical communication system
US4207561A (en) *	1975-10-31	1980-06-10	International Telephone And Telegraph Corporation	Intruder alarm arrangement for an optical communication system
US4319186A (en) *	1978-05-05	1982-03-09	National Research Development Corporation	Signal sensors
US4162397A (en) *	1978-06-28	1979-07-24	The United States Of America As Represented By The Secretary Of The Navy	Fiber optic acoustic sensor
IT1138312B (it) *	1981-05-06	1986-09-17	Cise Spa	Interferometro con trasmissione in fibra ottica dell'informazione di fase utile
US4652744A (en) *	1982-04-14	1987-03-24	The Board Of Trustees Of The Leland Stanford Junior University	Fiber optic sensor for detecting very small displacements of a surface
GB2144215B (en) *	1983-07-28	1988-06-22	Cise Spa	Interferometric detector with fibre-optic sensor
GB8415127D0 (en) *	1984-06-14	1984-07-18	Davies D E N	Optical displacement sensors
WO1986000402A1 (en) *	1984-06-30	1986-01-16	Kent Scientific And Industrial Projects Limited	Interferometric sensor
US4697926A (en) *	1985-02-08	1987-10-06	The Board Of Trustees Of The Leland Stanford Junior University	Coherent distributed sensor and method using short coherence length sources
DE3670907D1 (de) *	1985-10-21	1990-06-07	Plessey Overseas	Detektorsystem mit lichtleiteroptiksensoren.
US4728191A (en) *	1986-10-22	1988-03-01	Optical Technologies, Incorporated	Divided interferometer employing a single 3×3 coupler/splitter

1987
- 1987-09-03 US US07/093,301 patent/US4800266A/en not_active Expired - Fee Related
1988
- 1988-08-17 IE IE251188A patent/IE62988B1/en not_active IP Right Cessation
- 1988-08-18 NO NO883680A patent/NO177117C/no unknown
- 1988-08-24 CA CA000575625A patent/CA1309488C/en not_active Expired - Fee Related
- 1988-08-25 EP EP88307909A patent/EP0306227B1/de not_active Expired - Lifetime
- 1988-09-02 DK DK489188A patent/DK169220B1/da not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO177117B (no)	1995-04-10
DK489188D0 (da)	1988-09-02
EP0306227A2 (de)	1989-03-08
NO883680L (no)	1989-03-06
EP0306227B1 (de)	1992-12-02
DK489188A (da)	1989-03-04
IE882511L (en)	1989-03-03
CA1309488C (en)	1992-10-27
US4800266A (en)	1989-01-24
IE62988B1 (en)	1995-03-08
NO883680D0 (no)	1988-08-18
NO177117C (no)	1995-07-19
EP0306227A3 (en)	1989-09-06

Legal Events

Date	Code	Title	Description
1994-09-12	B1	Patent granted (law 1993)
2000-05-15	PBP	Patent lapsed

Publication	Publication Date	Title
CN101410696B (zh)	2011-01-05	干扰位置的估计
US6522797B1 (en)	2003-02-18	Seismic optical acoustic recursive sensor system
DK169220B1 (da)	1994-09-12	Apparat og fremgangsmåde til at detektere en dynamisk parameter ved hjælp af fiberoptik.
US5345522A (en)	1994-09-06	Reduced noise fiber optic towed array and method of using same
CA2476805C (en)	2012-01-03	Inline sagnac fiber optic sensor with modulation adjustment
GB2202324A (en)	1988-09-21	Optical fibre sensing system
JPH04502210A (ja)	1992-04-16	損失検出
Andres et al.	1987	Analysis of an interferometric optical fibre detection technique applied to silicon vibrating sensors
CN111912516B (zh)	2025-01-24	一种相位同步的光纤分布式振动测量装置、驱动器及方法
EP0211804B1 (de)	1990-04-25	Fiberoptisches Detektionssystem mit einverleibtem intensitätsmodulierten Sensor
GB2207236A (en)	1989-01-25	Sensing temperature or pressure distribution
AU2020280807B2 (en)	2025-07-10	Fibre-optic acoustic sensor and associated measurement system, vehicle and measurement method
US6034522A (en)	2000-03-07	Fibre optic transducer incorporating an extraneous factor compensation referencing system
EP1493008B1 (de)	2011-01-26	Apparat und verfahren zur messung der chromatischen dispersion bei variablen wellenlängen
JPH1062570A (ja)	1998-03-06	遅延時間測定方法及び遅延時間測定装置
CN112525084B (zh)	2025-02-14	一种测量光纤长度的装置及其方法
CN115046621B (zh)	2025-10-31	基于正弦扫频的宽频带准分布式光纤声波传感方法及系统
BE1004056A3 (nl)	1992-09-15	Meetinrichting met optische vezelsensoren.
AU710660B2 (en)	1999-09-23	Fibre optic transducer
JPS6250625A (ja)	1987-03-05	光フアイバ音響センサ
JPS63269075A (ja)	1988-11-07	光フアイバ式センサ
CN1207169A (zh)	1999-02-03	传感方法和装置
JPS5862799A (ja)	1983-04-14	光応用計測装置
JPH09273961A (ja)	1997-10-21	物理量多点計測システム