AU3343884A - Balancing of interferometric optical fibre sensors - Google Patents

Balancing of interferometric optical fibre sensors

Info

Publication number
AU3343884A
AU3343884A AU33438/84A AU3343884A AU3343884A AU 3343884 A AU3343884 A AU 3343884A AU 33438/84 A AU33438/84 A AU 33438/84A AU 3343884 A AU3343884 A AU 3343884A AU 3343884 A AU3343884 A AU 3343884A
Authority
AU
Australia
Prior art keywords
balancing
optical fibre
interferometric optical
fibre sensors
sensors
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.)
Abandoned
Application number
AU33438/84A
Inventor
David Philip Martin Chown
Richard Edward 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.)
International Standard Electric Corp
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 AU3343884A publication Critical patent/AU3343884A/en
Abandoned 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)
AU33438/84A 1983-10-05 1984-09-24 Balancing of interferometric optical fibre sensors Abandoned AU3343884A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8326608 1983-10-05
GB08326608A GB2147695B (en) 1983-10-05 1983-10-05 Balancing interferometer sensor

Publications (1)

Publication Number Publication Date
AU3343884A true AU3343884A (en) 1985-04-18

Family

ID=10549695

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33438/84A Abandoned AU3343884A (en) 1983-10-05 1984-09-24 Balancing of interferometric optical fibre sensors

Country Status (4)

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

Families Citing this family (12)

* 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 (en) * 1985-04-04 1986-11-24 Ericsson Telefon Ab L M FIBEROPTIC INTERFEROMETER
DE3718192A1 (en) * 1987-05-29 1988-12-08 Hommelwerke Gmbh DEVICE FOR MEASURING THE DISTANCE BETWEEN THE DEVICE AND A MEASURING AREA
FR2655418B1 (en) * 1989-12-01 1993-10-29 Thomson Csf DEVICE FOR READING FIBER OPTIC SENSORS.
US5363191A (en) * 1989-12-01 1994-11-08 Thomson-Csf Fibre optic sensor array reading device
DE4224744A1 (en) * 1992-07-27 1994-02-03 Abb Research Ltd Interferometer for detecting electric field generated vibration of metallic particles in gas insulated HV switchgear - feeds laser beam into sensing and reference optical fibre branches of Mach=Zehnder interferometer, has two photodetectors at output of combiner-divider and control loop for zeroing difference between detector voltages
JPH0644527U (en) * 1992-11-25 1994-06-14 株式会社ララ Urine bag
FR2708733B1 (en) * 1993-07-30 1995-10-20 Sextant Avionique Device for optical detection of vibrations of a microstructure, with stabilized operating point.
DE4407176A1 (en) * 1994-03-04 1995-09-07 Diehl Gmbh & Co Pressure measurement using fiber optics
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 (en) * 2007-03-12 2010-11-24 アンリツ株式会社 Optical heterodyne interferometer and optical path length difference measuring method thereof

Also Published As

Publication number Publication date
DE3435650A1 (en) 1985-04-18
GB2147695A (en) 1985-05-15
GB8326608D0 (en) 1983-11-09
JPS60149903A (en) 1985-08-07
GB2147695B (en) 1987-03-18

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