DE3435650A1 - Faseroptischer sensor - Google Patents

Faseroptischer sensor

Info

Publication number
DE3435650A1
DE3435650A1 DE19843435650 DE3435650A DE3435650A1 DE 3435650 A1 DE3435650 A1 DE 3435650A1 DE 19843435650 DE19843435650 DE 19843435650 DE 3435650 A DE3435650 A DE 3435650A DE 3435650 A1 DE3435650 A1 DE 3435650A1
Authority
DE
Germany
Prior art keywords
path length
signal
fiber optic
frequency
optic 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.)
Withdrawn
Application number
DE19843435650
Other languages
German (de)
English (en)
Inventor
David Philip Martin Great Dunmow Essex Chown
Richard Edward Bishops Stortford Hertshire Epworth
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.)
Alcatel Lucent NV
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of DE3435650A1 publication Critical patent/DE3435650A1/de
Withdrawn legal-status Critical Current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
    • G01D5/35303—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 a reference fibre, e.g. interferometric devices
    • 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)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE19843435650 1983-10-05 1984-09-28 Faseroptischer sensor Withdrawn DE3435650A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08326608A GB2147695B (en) 1983-10-05 1983-10-05 Balancing interferometer sensor

Publications (1)

Publication Number Publication Date
DE3435650A1 true DE3435650A1 (de) 1985-04-18

Family

ID=10549695

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843435650 Withdrawn DE3435650A1 (de) 1983-10-05 1984-09-28 Faseroptischer sensor

Country Status (4)

Country Link
JP (1) JPS60149903A (ja)
AU (1) AU3343884A (ja)
DE (1) DE3435650A1 (ja)
GB (1) GB2147695B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297243A2 (de) * 1987-05-29 1989-01-04 Hommelwerke GmbH Vorrichtung zur Messung des Abstandes zwischen dieser Vorrichtung und einer Messfläche
DE4224744A1 (de) * 1992-07-27 1994-02-03 Abb Research Ltd Vorrichtung zur Detektion loser Metallteilchen in gasisolierten Hochspannungs-Schaltanlagen
DE4407176A1 (de) * 1994-03-04 1995-09-07 Diehl Gmbh & Co Druckmessung mittels Faseroptik

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172101B (en) * 1985-03-05 1988-08-17 Plessey Co Plc Improvements relating to optical sensing systems
SE447601B (sv) * 1985-04-04 1986-11-24 Ericsson Telefon Ab L M Fiberoptisk interferometer
FR2655418B1 (fr) * 1989-12-01 1993-10-29 Thomson Csf Dispositif de lecture de capteurs a fibres optiques.
US5363191A (en) * 1989-12-01 1994-11-08 Thomson-Csf Fibre optic sensor array reading device
JPH0644527U (ja) * 1992-11-25 1994-06-14 株式会社ララ 吸尿袋
FR2708733B1 (fr) * 1993-07-30 1995-10-20 Sextant Avionique Dispositif de détection optique des vibrations d'une microstructure, à point de fonctionnement stabilisé.
EP0851205B1 (en) * 1996-12-26 2003-03-26 Hitachi, Ltd. Optical interferometer and signal synthesizer using the interferometer
US6501875B2 (en) * 2000-06-27 2002-12-31 Oluma, Inc. Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports
JP4586033B2 (ja) * 2007-03-12 2010-11-24 アンリツ株式会社 光ヘテロダイン干渉装置およびその光路長差測定方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297243A2 (de) * 1987-05-29 1989-01-04 Hommelwerke GmbH Vorrichtung zur Messung des Abstandes zwischen dieser Vorrichtung und einer Messfläche
EP0297243A3 (de) * 1987-05-29 1990-08-08 Hommelwerke GmbH Vorrichtung zur Messung des Abstandes zwischen dieser Vorrichtung und einer Messfläche
DE4224744A1 (de) * 1992-07-27 1994-02-03 Abb Research Ltd Vorrichtung zur Detektion loser Metallteilchen in gasisolierten Hochspannungs-Schaltanlagen
DE4407176A1 (de) * 1994-03-04 1995-09-07 Diehl Gmbh & Co Druckmessung mittels Faseroptik

Also Published As

Publication number Publication date
GB2147695A (en) 1985-05-15
GB8326608D0 (en) 1983-11-09
AU3343884A (en) 1985-04-18
JPS60149903A (ja) 1985-08-07
GB2147695B (en) 1987-03-18

Similar Documents

Publication Publication Date Title
DE69912969T2 (de) Optischer phasendetektor
DE69103147T2 (de) Regelung der modulationsfrequenz in einem faseroptischen rotationssensor.
EP0314709B1 (de) Zwei-wellenlängen-interferometrie mit optischem heterodynverfahren
DE69111432T2 (de) Heterodyn-Interferometer Einrichtung.
DE3435650A1 (de) Faseroptischer sensor
DE2709686C2 (de) Optisches interferometrisches Verfahren zur berührungslosen Messung der durch Ultraschallwellen verursachten Oberflächenauslenkung eines Prüflings
DE3929999A1 (de) Antisymmetriemodus-filter
DE2934191C2 (ja)
DE3937268A1 (de) Optische entfernungsmessvorrichtung
DE69614384T2 (de) Optische leistungsstabilisierung für interferometrisches optisches glasfaser-gyroskop
DE69216464T2 (de) Apparat zum Messen der Wellenlängenvariation
DE2710638C2 (de) Vorrichtung zum berührungslosen optischen Empfang von Ultraschallwellen in der zerstörungsfreien Werkstoffprüfung
DE60034600T2 (de) Hochauflösende wellenlängen-überwachungsvorrichtung für abstimmbare lasersysteme
DE4412764A1 (de) Lichtleitfaser-Kreisel
EP0290723B1 (de) Messvorrichtung mit einem Laser und einem Ringresonator
DE19628200A1 (de) Vorrichtung und Verfahren zur Durchführung interferometrischer Messungen
DE69115877T2 (de) Gerät zum messen der winkelgeschwindigkeit durch optische interferenz
EP0479999A1 (de) Einrichtung zur berührungslosen geschwindigkeits-, verschiebeweg- und/oder entfernungsmessung.
WO1999004222A1 (de) Faseroptischer kreisel
AT399222B (de) Interferometrische einrichtung zur messung der lage eines reflektierenden objektes
DE102004053082A1 (de) Positionsmesssystem
WO1993005364A1 (de) Optischer sensor für rotationsbewegungen
DE2113477A1 (de) Optischer Abtaster und Messanordnungen mit solchen optischen Abtastern
DE4333423C2 (de) Interferometrisches Verfahren und Interferometer mit einem Diodenlaser
DE3528259A1 (de) Verfahren und anordnung zur interferometrischen laengenmessung mit halbleiterlasern als lichtquelle

Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: STC PLC, LONDON, GB

8128 New person/name/address of the agent

Representative=s name: WALLACH, C., DIPL.-ING. KOCH, G., DIPL.-ING. HAIBA

8127 New person/name/address of the applicant

Owner name: ALCATEL N.V., AMSTERDAM, NL

8128 New person/name/address of the agent

Representative=s name: GRAF, G., DIPL.-ING., PAT.-ASS., 7000 STUTTGART

8139 Disposal/non-payment of the annual fee