[go: up one dir, main page]

GB2262983B - Sensing techniques using phase modulation - Google Patents

Sensing techniques using phase modulation

Info

Publication number
GB2262983B
GB2262983B GB9126250A GB9126250A GB2262983B GB 2262983 B GB2262983 B GB 2262983B GB 9126250 A GB9126250 A GB 9126250A GB 9126250 A GB9126250 A GB 9126250A GB 2262983 B GB2262983 B GB 2262983B
Authority
GB
United Kingdom
Prior art keywords
phase modulation
sensing techniques
sensing
techniques
modulation
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
GB9126250A
Other versions
GB2262983A (en
GB9126250D0 (en
Inventor
Peter David Foote
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 PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Priority to GB9126250A priority Critical patent/GB2262983B/en
Publication of GB9126250D0 publication Critical patent/GB9126250D0/en
Publication of GB2262983A publication Critical patent/GB2262983A/en
Application granted granted Critical
Publication of GB2262983B publication Critical patent/GB2262983B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
    • 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
    • G01D5/266—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 by interferometric means
    • 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
    • G01D5/268—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 using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9126250A 1991-12-11 1991-12-11 Sensing techniques using phase modulation Expired - Fee Related GB2262983B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9126250A GB2262983B (en) 1991-12-11 1991-12-11 Sensing techniques using phase modulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9126250A GB2262983B (en) 1991-12-11 1991-12-11 Sensing techniques using phase modulation

Publications (3)

Publication Number Publication Date
GB9126250D0 GB9126250D0 (en) 1992-02-12
GB2262983A GB2262983A (en) 1993-07-07
GB2262983B true GB2262983B (en) 1996-02-28

Family

ID=10706030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9126250A Expired - Fee Related GB2262983B (en) 1991-12-11 1991-12-11 Sensing techniques using phase modulation

Country Status (1)

Country Link
GB (1) GB2262983B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10119599A1 (en) * 2001-04-21 2002-10-31 Bosch Gmbh Robert Method for determining temperatures on semiconductor components
CA2970205A1 (en) * 2017-06-08 2018-12-08 Hifi Engineering Inc. Optical interrogator for performing interferometry using fiber bragg gratings
CN112909118B (en) * 2021-01-28 2023-04-07 广州大学 Differential conversion type wide spectrum photoelectric detector and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013974A1 (en) * 1979-01-22 1980-08-06 Rockwell International Corporation Method and apparatus for a Fabrey-Perot multiple beam fringe sensor
GB2067752A (en) * 1980-01-14 1981-07-30 Kokusai Denshin Denwa Co Ltd Light dispersion measuring apparatus
GB2224566A (en) * 1988-06-30 1990-05-09 British Aerospace An optical sensor for determining changes in a dimension and/or a temperature of an object
US5022741A (en) * 1985-11-12 1991-06-11 Gte Laboratories Incorporated Optical bistable devices based on bound exciton nonlinearity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013974A1 (en) * 1979-01-22 1980-08-06 Rockwell International Corporation Method and apparatus for a Fabrey-Perot multiple beam fringe sensor
GB2067752A (en) * 1980-01-14 1981-07-30 Kokusai Denshin Denwa Co Ltd Light dispersion measuring apparatus
US5022741A (en) * 1985-11-12 1991-06-11 Gte Laboratories Incorporated Optical bistable devices based on bound exciton nonlinearity
GB2224566A (en) * 1988-06-30 1990-05-09 British Aerospace An optical sensor for determining changes in a dimension and/or a temperature of an object

Also Published As

Publication number Publication date
GB2262983A (en) 1993-07-07
GB9126250D0 (en) 1992-02-12

Similar Documents

Publication Publication Date Title
GB2248099B (en) Phase change device
EP0500014A3 (en) Phase detector
ZA944617B (en) Mains phase determination
SG45149A1 (en) Phase retarder
EP0746367A4 (en) Easy intubator
EP0740444A4 (en) Phase detector
GB8906585D0 (en) Phase detectors
EP0344495A3 (en) Phase detector
GB2235839B (en) Phase detector
GB9207293D0 (en) Phase spacer ii
GB2247368B (en) Phase modulation signal generator
EP0511684A3 (en) Phase modulated fibre-optic gyroscope
GB9107306D0 (en) Closure element
GB9213210D0 (en) Phase change mechanism
GB2262983B (en) Sensing techniques using phase modulation
GB2248098B (en) Phase change device
GB9227071D0 (en) Phase detecting
ZA914351B (en) Phase sensitivity
GB2260300B (en) Cycles
EP0502631A3 (en) Sampling phase detector
EP0520678A3 (en) Image-rejecting phase detector
GB2250648B (en) Phase modulation signal generator
GB9117635D0 (en) Phase shifter
GB9215560D0 (en) Phase change mechanism
AU115733S (en) Lid

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991211