WO1999002953A1 - Fiber optic pressure transducers and pressure sensing system incorporating same - Google Patents
Fiber optic pressure transducers and pressure sensing system incorporating same Download PDFInfo
- Publication number
- WO1999002953A1 WO1999002953A1 PCT/US1998/013912 US9813912W WO9902953A1 WO 1999002953 A1 WO1999002953 A1 WO 1999002953A1 US 9813912 W US9813912 W US 9813912W WO 9902953 A1 WO9902953 A1 WO 9902953A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fiber optic
- core
- cladding
- pressure
- fiber
- Prior art date
Links
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- 230000003595 spectral effect Effects 0.000 claims abstract description 38
- 230000002708 enhancing effect Effects 0.000 claims abstract description 6
- 238000005253 cladding Methods 0.000 claims description 86
- 239000000463 material Substances 0.000 claims description 17
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- 238000000926 separation method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 241001243942 Isotropis Species 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 82
- 230000008859 change Effects 0.000 description 14
- 239000013307 optical fiber Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 230000001939 inductive effect Effects 0.000 description 11
- 230000010287 polarization Effects 0.000 description 11
- 230000007613 environmental effect Effects 0.000 description 9
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- 238000002474 experimental method Methods 0.000 description 7
- 230000002706 hydrostatic effect Effects 0.000 description 7
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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
- G01L1/242—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 the material being an optical fibre
- G01L1/246—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 the material being an optical fibre using integrated gratings, e.g. Bragg gratings
-
- 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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
-
- 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
- G01D5/344—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 using polarisation
-
- 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
- G01D5/35306—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 an interferometer arrangement
- G01D5/35309—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 an interferometer arrangement using multiple waves interferometer
- G01D5/35316—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 an interferometer arrangement using multiple waves interferometer using a Bragg gratings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
- G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000502386A JP2002504663A (en) | 1997-07-07 | 1998-07-02 | Optical fiber pressure transducer and pressure sensing system incorporating the same |
AU82883/98A AU8288398A (en) | 1997-07-07 | 1998-07-02 | Fiber optic pressure transducers and pressure sensing system incorporating same |
EP98933155A EP0995091A1 (en) | 1997-07-07 | 1998-07-02 | Fiber optic pressure transducers and pressure sensing system incorporating same |
CA002295919A CA2295919A1 (en) | 1997-07-07 | 1998-07-02 | Fiber optic pressure transducers and pressure sensing system incorporating same |
NO20000039A NO20000039L (en) | 1997-07-07 | 2000-01-05 | Fiber optic pressure transducers and pressure measuring system including such |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/888,566 | 1997-07-07 | ||
US08/888,566 US5841131A (en) | 1997-07-07 | 1997-07-07 | Fiber optic pressure transducers and pressure sensing system incorporating same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999002953A1 true WO1999002953A1 (en) | 1999-01-21 |
Family
ID=25393424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/013912 WO1999002953A1 (en) | 1997-07-07 | 1998-07-02 | Fiber optic pressure transducers and pressure sensing system incorporating same |
Country Status (10)
Country | Link |
---|---|
US (1) | US5841131A (en) |
EP (1) | EP0995091A1 (en) |
JP (1) | JP2002504663A (en) |
CN (1) | CN1135373C (en) |
AU (1) | AU8288398A (en) |
CA (1) | CA2295919A1 (en) |
ID (1) | ID26513A (en) |
NO (1) | NO20000039L (en) |
RU (1) | RU2205374C2 (en) |
WO (1) | WO1999002953A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6233746B1 (en) | 1999-03-22 | 2001-05-22 | Halliburton Energy Services, Inc. | Multiplexed fiber optic transducer for use in a well and method |
CN104089725A (en) * | 2014-07-25 | 2014-10-08 | 绵阳彬华科技有限公司 | Temperature sensor stable in structure |
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- 1998-07-02 ID IDW20000098A patent/ID26513A/en unknown
- 1998-07-02 CN CNB988089106A patent/CN1135373C/en not_active Expired - Fee Related
- 1998-07-02 WO PCT/US1998/013912 patent/WO1999002953A1/en not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
---|---|
NO20000039L (en) | 2000-03-07 |
EP0995091A1 (en) | 2000-04-26 |
CN1269881A (en) | 2000-10-11 |
RU2205374C2 (en) | 2003-05-27 |
AU8288398A (en) | 1999-02-08 |
NO20000039D0 (en) | 2000-01-05 |
US5841131A (en) | 1998-11-24 |
CA2295919A1 (en) | 1999-01-21 |
JP2002504663A (en) | 2002-02-12 |
CN1135373C (en) | 2004-01-21 |
ID26513A (en) | 2001-01-11 |
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