AU1656895A - Distributed sensing apparatus - Google Patents
Distributed sensing apparatusInfo
- Publication number
- AU1656895A AU1656895A AU16568/95A AU1656895A AU1656895A AU 1656895 A AU1656895 A AU 1656895A AU 16568/95 A AU16568/95 A AU 16568/95A AU 1656895 A AU1656895 A AU 1656895A AU 1656895 A AU1656895 A AU 1656895A
- Authority
- AU
- Australia
- Prior art keywords
- sensing apparatus
- distributed sensing
- distributed
- sensing
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/247—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet using distributed sensing elements, e.g. microcapsules
-
- 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
- G01D5/35338—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 other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
- G01D5/35364—Sensor working in reflection using backscattering to detect the measured quantity using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering
-
- 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
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Lasers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9408502A GB9408502D0 (en) | 1994-04-28 | 1994-04-28 | Distributed sensing apparatus |
GB9408502 | 1994-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1656895A true AU1656895A (en) | 1995-11-09 |
AU691573B2 AU691573B2 (en) | 1998-05-21 |
Family
ID=10754317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU16568/95A Ceased AU691573B2 (en) | 1994-04-28 | 1995-04-20 | Distributed sensing apparatus |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH0854257A (en) |
AU (1) | AU691573B2 (en) |
GB (2) | GB9408502D0 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3033677B2 (en) * | 1995-09-26 | 2000-04-17 | 安藤電気株式会社 | Optical fiber characteristics measurement device |
DE19618685C2 (en) * | 1996-05-09 | 1998-05-07 | Daimler Benz Aerospace Airbus | Method and arrangement for temperature detection in rooms, in particular in passenger or cargo compartments in aircraft |
JP3319306B2 (en) * | 1996-10-03 | 2002-08-26 | 日立電線株式会社 | Optical fiber strain distribution sensor |
GB9720980D0 (en) * | 1997-10-02 | 1997-12-03 | Furukawa Research & Engineerin | Distributed sensing apparatus |
US6813403B2 (en) | 2002-03-14 | 2004-11-02 | Fiber Optic Systems Technology, Inc. | Monitoring of large structures using brillouin spectrum analysis |
GB2402738B (en) * | 2003-06-12 | 2005-08-03 | Sensor Highway Ltd | Scale detection |
KR100625807B1 (en) * | 2004-02-25 | 2006-09-20 | 한국과학기술원 | A Physical Quantity Measuring Method Using A Brillioun Optical Fiber Sensor |
US7356207B2 (en) | 2006-06-05 | 2008-04-08 | Honeywell International, Inc. | Method and system for adjusting the sensitivity of optical sensors |
US7509008B2 (en) * | 2006-10-06 | 2009-03-24 | Halliburton Energy Services, Inc. | Method and apparatus for locating a localized temperature change in a workspace |
US7946341B2 (en) | 2007-11-02 | 2011-05-24 | Schlumberger Technology Corporation | Systems and methods for distributed interferometric acoustic monitoring |
US8770283B2 (en) | 2007-11-02 | 2014-07-08 | Schlumberger Technology Corporation | Systems and methods for distributed interferometric acoustic monitoring |
CN104316217A (en) * | 2014-10-23 | 2015-01-28 | 国网河南省电力公司周口供电公司 | On-line monitoring system based on brillouin scattering self-temperature-measurement optical fiber composite guide wire |
EP3292597B1 (en) | 2015-05-05 | 2021-07-21 | Filippo Bastianini | Double frequency conversion apparatus for sourcing radiations having an intrinsically stable wavelength-shift that is quickly tuneable within an extended range, in particular for use in brillouin analysers |
US10845221B2 (en) | 2016-06-27 | 2020-11-24 | Omnisens Sa | Calibration device for distributing sensing technologies |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2234585B (en) * | 1989-06-29 | 1993-09-29 | Kent Scient Ind Projects | Arrangement for producing signal frequency shifts. |
JP3112595B2 (en) * | 1993-03-17 | 2000-11-27 | 安藤電気株式会社 | Optical fiber strain position measuring device using optical frequency shifter |
-
1994
- 1994-04-28 GB GB9408502A patent/GB9408502D0/en active Pending
-
1995
- 1995-04-19 GB GB9507989A patent/GB2289331B/en not_active Expired - Lifetime
- 1995-04-20 AU AU16568/95A patent/AU691573B2/en not_active Ceased
- 1995-04-28 JP JP12936495A patent/JPH0854257A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2289331A (en) | 1995-11-15 |
GB2289331B (en) | 1998-09-16 |
GB9507989D0 (en) | 1995-06-07 |
JPH0854257A (en) | 1996-02-27 |
AU691573B2 (en) | 1998-05-21 |
GB9408502D0 (en) | 1994-06-22 |
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